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Finding the Fourth Proportional to 99,363.71, 137,073.74 and 59,048.93

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Solution

The fourth proportional to 99,363.71, 137,073.74 and 59,048.93 is: 81,458.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,363.71 : 137,073.74 = 59,048.93 : x
  2. Step 2: Convert to fraction form
    99,363.71/137,073.74 = 59,048.93/x
  3. Step 3: Cross multiply
    99,363.71x = 137,073.74 × 59,048.93
  4. Step 4: Simplify right side
    99,363.71x = 8,094,057,725.54
  5. Step 5: Solve for x
    x = 8,094,057,725.54/99,363.71
  6. Step 6: Final answer
    x = 81,458.89

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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.