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Finding the Fourth Proportional to 265,502.65, 398,037.93 and 123,437.53

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Solution

The fourth proportional to 265,502.65, 398,037.93 and 123,437.53 is: 185,055.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,502.65 : 398,037.93 = 123,437.53 : x
  2. Step 2: Convert to fraction form
    265,502.65/398,037.93 = 123,437.53/x
  3. Step 3: Cross multiply
    265,502.65x = 398,037.93 × 123,437.53
  4. Step 4: Simplify right side
    265,502.65x = 49,132,817,435.04
  5. Step 5: Solve for x
    x = 49,132,817,435.04/265,502.65
  6. Step 6: Final answer
    x = 185,055.84

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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.