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Finding the Fourth Proportional to 144,656.52, 216,984.51 and 39,475.32

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Solution

The fourth proportional to 144,656.52, 216,984.51 and 39,475.32 is: 59,212.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,656.52 : 216,984.51 = 39,475.32 : x
  2. Step 2: Convert to fraction form
    144,656.52/216,984.51 = 39,475.32/x
  3. Step 3: Cross multiply
    144,656.52x = 216,984.51 × 39,475.32
  4. Step 4: Simplify right side
    144,656.52x = 8,565,532,967.29
  5. Step 5: Solve for x
    x = 8,565,532,967.29/144,656.52
  6. Step 6: Final answer
    x = 59,212.91

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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.