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Finding the Fourth Proportional to 144,041.60, 215,673.60 and 112,937.60

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Solution

The fourth proportional to 144,041.60, 215,673.60 and 112,937.60 is: 169,101.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,041.60 : 215,673.60 = 112,937.60 : x
  2. Step 2: Convert to fraction form
    144,041.60/215,673.60 = 112,937.60/x
  3. Step 3: Cross multiply
    144,041.60x = 215,673.60 × 112,937.60
  4. Step 4: Simplify right side
    144,041.60x = 24,357,658,767.36
  5. Step 5: Solve for x
    x = 24,357,658,767.36/144,041.60
  6. Step 6: Final answer
    x = 169,101.56

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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.