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Finding the Fourth Proportional to 136,710.99, 204,925.95 and 52,448.72

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Solution

The fourth proportional to 136,710.99, 204,925.95 and 52,448.72 is: 78,619.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,710.99 : 204,925.95 = 52,448.72 : x
  2. Step 2: Convert to fraction form
    136,710.99/204,925.95 = 52,448.72/x
  3. Step 3: Cross multiply
    136,710.99x = 204,925.95 × 52,448.72
  4. Step 4: Simplify right side
    136,710.99x = 10,748,102,747.65
  5. Step 5: Solve for x
    x = 10,748,102,747.65/136,710.99
  6. Step 6: Final answer
    x = 78,619.16

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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.