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Finding the Fourth Proportional to 88,225.92, 121,752.95 and 47,940.39

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Solution

The fourth proportional to 88,225.92, 121,752.95 and 47,940.39 is: 66,158.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,225.92 : 121,752.95 = 47,940.39 : x
  2. Step 2: Convert to fraction form
    88,225.92/121,752.95 = 47,940.39/x
  3. Step 3: Cross multiply
    88,225.92x = 121,752.95 × 47,940.39
  4. Step 4: Simplify right side
    88,225.92x = 5,836,883,666.95
  5. Step 5: Solve for x
    x = 5,836,883,666.95/88,225.92
  6. Step 6: Final answer
    x = 66,158.38

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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.