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Finding the Fourth Proportional to 106,681.32, 147,220.02 and 58,934.52

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Solution

The fourth proportional to 106,681.32, 147,220.02 and 58,934.52 is: 81,329.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,681.32 : 147,220.02 = 58,934.52 : x
  2. Step 2: Convert to fraction form
    106,681.32/147,220.02 = 58,934.52/x
  3. Step 3: Cross multiply
    106,681.32x = 147,220.02 × 58,934.52
  4. Step 4: Simplify right side
    106,681.32x = 8,676,341,213.09
  5. Step 5: Solve for x
    x = 8,676,341,213.09/106,681.32
  6. Step 6: Final answer
    x = 81,329.53

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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.