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Finding the Fourth Proportional to 96,710.40, 144,988.80 and 52,934.40

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Solution

The fourth proportional to 96,710.40, 144,988.80 and 52,934.40 is: 79,359.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,710.40 : 144,988.80 = 52,934.40 : x
  2. Step 2: Convert to fraction form
    96,710.40/144,988.80 = 52,934.40/x
  3. Step 3: Cross multiply
    96,710.40x = 144,988.80 × 52,934.40
  4. Step 4: Simplify right side
    96,710.40x = 7,674,895,134.72
  5. Step 5: Solve for x
    x = 7,674,895,134.72/96,710.40
  6. Step 6: Final answer
    x = 79,359.56

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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.