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Finding the Fourth Proportional to 88,898.80, 133,348.20 and 55,656.40

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Solution

The fourth proportional to 88,898.80, 133,348.20 and 55,656.40 is: 83,484.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,898.80 : 133,348.20 = 55,656.40 : x
  2. Step 2: Convert to fraction form
    88,898.80/133,348.20 = 55,656.40/x
  3. Step 3: Cross multiply
    88,898.80x = 133,348.20 × 55,656.40
  4. Step 4: Simplify right side
    88,898.80x = 7,421,680,758.48
  5. Step 5: Solve for x
    x = 7,421,680,758.48/88,898.80
  6. Step 6: Final answer
    x = 83,484.60

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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.