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Finding the Fourth Proportional to 223,437.60, 334,864.80 and 103,480.65

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Solution

The fourth proportional to 223,437.60, 334,864.80 and 103,480.65 is: 155,085.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,437.60 : 334,864.80 = 103,480.65 : x
  2. Step 2: Convert to fraction form
    223,437.60/334,864.80 = 103,480.65/x
  3. Step 3: Cross multiply
    223,437.60x = 334,864.80 × 103,480.65
  4. Step 4: Simplify right side
    223,437.60x = 34,652,027,166.12
  5. Step 5: Solve for x
    x = 34,652,027,166.12/223,437.60
  6. Step 6: Final answer
    x = 155,085.93

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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.