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Finding the Fourth Proportional to 625,170.32, 937,742.48 and 151,858.16

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Solution

The fourth proportional to 625,170.32, 937,742.48 and 151,858.16 is: 227,784.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,170.32 : 937,742.48 = 151,858.16 : x
  2. Step 2: Convert to fraction form
    625,170.32/937,742.48 = 151,858.16/x
  3. Step 3: Cross multiply
    625,170.32x = 937,742.48 × 151,858.16
  4. Step 4: Simplify right side
    625,170.32x = 142,403,847,566.64
  5. Step 5: Solve for x
    x = 142,403,847,566.64/625,170.32
  6. Step 6: Final answer
    x = 227,784.08

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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.