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Finding the Fourth Proportional to 186,262.76, 279,404.46 and 53,132.78

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Solution

The fourth proportional to 186,262.76, 279,404.46 and 53,132.78 is: 79,702.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,262.76 : 279,404.46 = 53,132.78 : x
  2. Step 2: Convert to fraction form
    186,262.76/279,404.46 = 53,132.78/x
  3. Step 3: Cross multiply
    186,262.76x = 279,404.46 × 53,132.78
  4. Step 4: Simplify right side
    186,262.76x = 14,845,534,307.18
  5. Step 5: Solve for x
    x = 14,845,534,307.18/186,262.76
  6. Step 6: Final answer
    x = 79,702.11

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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.