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Finding the Fourth Proportional to 157,153.55, 216,847.77 and 88,246.58

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Solution

The fourth proportional to 157,153.55, 216,847.77 and 88,246.58 is: 121,766.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,153.55 : 216,847.77 = 88,246.58 : x
  2. Step 2: Convert to fraction form
    157,153.55/216,847.77 = 88,246.58/x
  3. Step 3: Cross multiply
    157,153.55x = 216,847.77 × 88,246.58
  4. Step 4: Simplify right side
    157,153.55x = 19,136,072,998.89
  5. Step 5: Solve for x
    x = 19,136,072,998.89/157,153.55
  6. Step 6: Final answer
    x = 121,766.73

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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.