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Finding the Fourth Proportional to 153,155.51, 229,744.20 and 40,835.14

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Solution

The fourth proportional to 153,155.51, 229,744.20 and 40,835.14 is: 61,255.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,155.51 : 229,744.20 = 40,835.14 : x
  2. Step 2: Convert to fraction form
    153,155.51/229,744.20 = 40,835.14/x
  3. Step 3: Cross multiply
    153,155.51x = 229,744.20 × 40,835.14
  4. Step 4: Simplify right side
    153,155.51x = 9,381,635,920.26
  5. Step 5: Solve for x
    x = 9,381,635,920.26/153,155.51
  6. Step 6: Final answer
    x = 61,255.62

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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.