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Finding the Fourth Proportional to 202,894,944.60, 304,391,989.32 and 64,720,575.72

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Solution

The fourth proportional to 202,894,944.60, 304,391,989.32 and 64,720,575.72 is: 97,096,676.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,894,944.60 : 304,391,989.32 = 64,720,575.72 : x
  2. Step 2: Convert to fraction form
    202,894,944.60/304,391,989.32 = 64,720,575.72/x
  3. Step 3: Cross multiply
    202,894,944.60x = 304,391,989.32 × 64,720,575.72
  4. Step 4: Simplify right side
    202,894,944.60x = 19,700,424,793,346,492
  5. Step 5: Solve for x
    x = 19,700,424,793,346,492/202,894,944.60
  6. Step 6: Final answer
    x = 97,096,676.47

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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.