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Finding the Fourth Proportional to 144,130.68, 216,045.56 and 49,332.94

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Solution

The fourth proportional to 144,130.68, 216,045.56 and 49,332.94 is: 73,947.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,130.68 : 216,045.56 = 49,332.94 : x
  2. Step 2: Convert to fraction form
    144,130.68/216,045.56 = 49,332.94/x
  3. Step 3: Cross multiply
    144,130.68x = 216,045.56 × 49,332.94
  4. Step 4: Simplify right side
    144,130.68x = 10,658,162,648.75
  5. Step 5: Solve for x
    x = 10,658,162,648.75/144,130.68
  6. Step 6: Final answer
    x = 73,947.91

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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.