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Finding the Fourth Proportional to 147,701.80, 221,034.30 and 101,045.80

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Solution

The fourth proportional to 147,701.80, 221,034.30 and 101,045.80 is: 151,214.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,701.80 : 221,034.30 = 101,045.80 : x
  2. Step 2: Convert to fraction form
    147,701.80/221,034.30 = 101,045.80/x
  3. Step 3: Cross multiply
    147,701.80x = 221,034.30 × 101,045.80
  4. Step 4: Simplify right side
    147,701.80x = 22,334,587,670.94
  5. Step 5: Solve for x
    x = 22,334,587,670.94/147,701.80
  6. Step 6: Final answer
    x = 151,214.05

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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.