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Finding the Fourth Proportional to 147,492,043.90, 221,238,065.85 and 147,492,043.90

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Solution

The fourth proportional to 147,492,043.90, 221,238,065.85 and 147,492,043.90 is: 221,238,065.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,492,043.90 : 221,238,065.85 = 147,492,043.90 : x
  2. Step 2: Convert to fraction form
    147,492,043.90/221,238,065.85 = 147,492,043.90/x
  3. Step 3: Cross multiply
    147,492,043.90x = 221,238,065.85 × 147,492,043.90
  4. Step 4: Simplify right side
    147,492,043.90x = 32,630,854,520,699,292
  5. Step 5: Solve for x
    x = 32,630,854,520,699,292/147,492,043.90
  6. Step 6: Final answer
    x = 221,238,065.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.