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Finding the Fourth Proportional to 144,291.52, 216,417.12 and 49,520.16

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Solution

The fourth proportional to 144,291.52, 216,417.12 and 49,520.16 is: 74,273.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,291.52 : 216,417.12 = 49,520.16 : x
  2. Step 2: Convert to fraction form
    144,291.52/216,417.12 = 49,520.16/x
  3. Step 3: Cross multiply
    144,291.52x = 216,417.12 × 49,520.16
  4. Step 4: Simplify right side
    144,291.52x = 10,717,010,409.14
  5. Step 5: Solve for x
    x = 10,717,010,409.14/144,291.52
  6. Step 6: Final answer
    x = 74,273.32

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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.