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Finding the Fourth Proportional to 109,666.31, 151,339.32 and 59,365.31

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Solution

The fourth proportional to 109,666.31, 151,339.32 and 59,365.31 is: 81,924.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,666.31 : 151,339.32 = 59,365.31 : x
  2. Step 2: Convert to fraction form
    109,666.31/151,339.32 = 59,365.31/x
  3. Step 3: Cross multiply
    109,666.31x = 151,339.32 × 59,365.31
  4. Step 4: Simplify right side
    109,666.31x = 8,984,304,890.29
  5. Step 5: Solve for x
    x = 8,984,304,890.29/109,666.31
  6. Step 6: Final answer
    x = 81,924.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.