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Finding the Fourth Proportional to 156,800.60, 235,200.90 and 155,925.80

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Solution

The fourth proportional to 156,800.60, 235,200.90 and 155,925.80 is: 233,888.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,800.60 : 235,200.90 = 155,925.80 : x
  2. Step 2: Convert to fraction form
    156,800.60/235,200.90 = 155,925.80/x
  3. Step 3: Cross multiply
    156,800.60x = 235,200.90 × 155,925.80
  4. Step 4: Simplify right side
    156,800.60x = 36,673,888,493.22
  5. Step 5: Solve for x
    x = 36,673,888,493.22/156,800.60
  6. Step 6: Final answer
    x = 233,888.70

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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.