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Finding the Fourth Proportional to 251,010.64, 375,574.86 and 149,437.16

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Solution

The fourth proportional to 251,010.64, 375,574.86 and 149,437.16 is: 223,595.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,010.64 : 375,574.86 = 149,437.16 : x
  2. Step 2: Convert to fraction form
    251,010.64/375,574.86 = 149,437.16/x
  3. Step 3: Cross multiply
    251,010.64x = 375,574.86 × 149,437.16
  4. Step 4: Simplify right side
    251,010.64x = 56,124,840,445.80
  5. Step 5: Solve for x
    x = 56,124,840,445.80/251,010.64
  6. Step 6: Final answer
    x = 223,595.46

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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.