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Finding the Fourth Proportional to 98,554.86, 147,943.08 and 39,432.24

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Solution

The fourth proportional to 98,554.86, 147,943.08 and 39,432.24 is: 59,192.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,554.86 : 147,943.08 = 39,432.24 : x
  2. Step 2: Convert to fraction form
    98,554.86/147,943.08 = 39,432.24/x
  3. Step 3: Cross multiply
    98,554.86x = 147,943.08 × 39,432.24
  4. Step 4: Simplify right side
    98,554.86x = 5,833,727,036.90
  5. Step 5: Solve for x
    x = 5,833,727,036.90/98,554.86
  6. Step 6: Final answer
    x = 59,192.69

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1.5x scale

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.