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Finding the Fourth Proportional to 98,854.80, 148,282.20 and 93,411.60

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Solution

The fourth proportional to 98,854.80, 148,282.20 and 93,411.60 is: 140,117.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,854.80 : 148,282.20 = 93,411.60 : x
  2. Step 2: Convert to fraction form
    98,854.80/148,282.20 = 93,411.60/x
  3. Step 3: Cross multiply
    98,854.80x = 148,282.20 × 93,411.60
  4. Step 4: Simplify right side
    98,854.80x = 13,851,277,553.52
  5. Step 5: Solve for x
    x = 13,851,277,553.52/98,854.80
  6. Step 6: Final answer
    x = 140,117.40

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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.