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Finding the Fourth Proportional to 177,885.60, 266,737.20 and 53,210.40

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Solution

The fourth proportional to 177,885.60, 266,737.20 and 53,210.40 is: 79,788.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,885.60 : 266,737.20 = 53,210.40 : x
  2. Step 2: Convert to fraction form
    177,885.60/266,737.20 = 53,210.40/x
  3. Step 3: Cross multiply
    177,885.60x = 266,737.20 × 53,210.40
  4. Step 4: Simplify right side
    177,885.60x = 14,193,193,106.88
  5. Step 5: Solve for x
    x = 14,193,193,106.88/177,885.60
  6. Step 6: Final answer
    x = 79,788.32

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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.