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Finding the Fourth Proportional to 114,888,502.40, 172,416,734.40 and 80,876,278.40

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Solution

The fourth proportional to 114,888,502.40, 172,416,734.40 and 80,876,278.40 is: 121,373,536.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,888,502.40 : 172,416,734.40 = 80,876,278.40 : x
  2. Step 2: Convert to fraction form
    114,888,502.40/172,416,734.40 = 80,876,278.40/x
  3. Step 3: Cross multiply
    114,888,502.40x = 172,416,734.40 × 80,876,278.40
  4. Step 4: Simplify right side
    114,888,502.40x = 13,944,423,812,153,258
  5. Step 5: Solve for x
    x = 13,944,423,812,153,258/114,888,502.40
  6. Step 6: Final answer
    x = 121,373,536.26

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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.