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Finding the Fourth Proportional to 316,265.16, 474,397.16 and 103,032.82

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Solution

The fourth proportional to 316,265.16, 474,397.16 and 103,032.82 is: 154,549.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,265.16 : 474,397.16 = 103,032.82 : x
  2. Step 2: Convert to fraction form
    316,265.16/474,397.16 = 103,032.82/x
  3. Step 3: Cross multiply
    316,265.16x = 474,397.16 × 103,032.82
  4. Step 4: Simplify right side
    316,265.16x = 48,878,475,493.63
  5. Step 5: Solve for x
    x = 48,878,475,493.63/316,265.16
  6. Step 6: Final answer
    x = 154,549.04

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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.