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Finding the Fourth Proportional to 91,048.71, 125,602.57 and 60,841.46

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Solution

The fourth proportional to 91,048.71, 125,602.57 and 60,841.46 is: 83,931.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,048.71 : 125,602.57 = 60,841.46 : x
  2. Step 2: Convert to fraction form
    91,048.71/125,602.57 = 60,841.46/x
  3. Step 3: Cross multiply
    91,048.71x = 125,602.57 × 60,841.46
  4. Step 4: Simplify right side
    91,048.71x = 7,641,843,786.38
  5. Step 5: Solve for x
    x = 7,641,843,786.38/91,048.71
  6. Step 6: Final answer
    x = 83,931.38

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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.