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Finding the Fourth Proportional to 79,547.43, 109,775.93 and 43,737.74

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Solution

The fourth proportional to 79,547.43, 109,775.93 and 43,737.74 is: 60,358.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,547.43 : 109,775.93 = 43,737.74 : x
  2. Step 2: Convert to fraction form
    79,547.43/109,775.93 = 43,737.74/x
  3. Step 3: Cross multiply
    79,547.43x = 109,775.93 × 43,737.74
  4. Step 4: Simplify right side
    79,547.43x = 4,801,351,084.60
  5. Step 5: Solve for x
    x = 4,801,351,084.60/79,547.43
  6. Step 6: Final answer
    x = 60,358.34

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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.