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Finding the Fourth Proportional to 157,613.60, 236,044.48 and 90,914.24

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Solution

The fourth proportional to 157,613.60, 236,044.48 and 90,914.24 is: 136,154.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,613.60 : 236,044.48 = 90,914.24 : x
  2. Step 2: Convert to fraction form
    157,613.60/236,044.48 = 90,914.24/x
  3. Step 3: Cross multiply
    157,613.60x = 236,044.48 × 90,914.24
  4. Step 4: Simplify right side
    157,613.60x = 21,459,804,505.40
  5. Step 5: Solve for x
    x = 21,459,804,505.40/157,613.60
  6. Step 6: Final answer
    x = 136,154.52

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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.