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Finding the Fourth Proportional to 91,862.84, 137,575.56 and 63,810.92

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Solution

The fourth proportional to 91,862.84, 137,575.56 and 63,810.92 is: 95,564.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,862.84 : 137,575.56 = 63,810.92 : x
  2. Step 2: Convert to fraction form
    91,862.84/137,575.56 = 63,810.92/x
  3. Step 3: Cross multiply
    91,862.84x = 137,575.56 × 63,810.92
  4. Step 4: Simplify right side
    91,862.84x = 8,778,823,053.12
  5. Step 5: Solve for x
    x = 8,778,823,053.12/91,862.84
  6. Step 6: Final answer
    x = 95,564.46

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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.