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Finding the Fourth Proportional to 92,680.47, 139,020.71 and 33,502.30

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Solution

The fourth proportional to 92,680.47, 139,020.71 and 33,502.30 is: 50,253.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,680.47 : 139,020.71 = 33,502.30 : x
  2. Step 2: Convert to fraction form
    92,680.47/139,020.71 = 33,502.30/x
  3. Step 3: Cross multiply
    92,680.47x = 139,020.71 × 33,502.30
  4. Step 4: Simplify right side
    92,680.47x = 4,657,513,532.63
  5. Step 5: Solve for x
    x = 4,657,513,532.63/92,680.47
  6. Step 6: Final answer
    x = 50,253.45

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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.