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Finding the Fourth Proportional to 57,492,098.90, 86,238,148.35 and 57,492,098.90

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Solution

The fourth proportional to 57,492,098.90, 86,238,148.35 and 57,492,098.90 is: 86,238,148.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,492,098.90 : 86,238,148.35 = 57,492,098.90 : x
  2. Step 2: Convert to fraction form
    57,492,098.90/86,238,148.35 = 57,492,098.90/x
  3. Step 3: Cross multiply
    57,492,098.90x = 86,238,148.35 × 57,492,098.90
  4. Step 4: Simplify right side
    57,492,098.90x = 4,958,012,153,891,071
  5. Step 5: Solve for x
    x = 4,958,012,153,891,071/57,492,098.90
  6. Step 6: Final answer
    x = 86,238,148.35

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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.