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Finding the Fourth Proportional to 88,763.28, 122,437.08 and 67,495.92

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Solution

The fourth proportional to 88,763.28, 122,437.08 and 67,495.92 is: 93,101.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,763.28 : 122,437.08 = 67,495.92 : x
  2. Step 2: Convert to fraction form
    88,763.28/122,437.08 = 67,495.92/x
  3. Step 3: Cross multiply
    88,763.28x = 122,437.08 × 67,495.92
  4. Step 4: Simplify right side
    88,763.28x = 8,264,003,356.71
  5. Step 5: Solve for x
    x = 8,264,003,356.71/88,763.28
  6. Step 6: Final answer
    x = 93,101.60

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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.