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Finding the Fourth Proportional to 112,304.64, 154,982.40 and 62,000.64

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Solution

The fourth proportional to 112,304.64, 154,982.40 and 62,000.64 is: 85,561.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,304.64 : 154,982.40 = 62,000.64 : x
  2. Step 2: Convert to fraction form
    112,304.64/154,982.40 = 62,000.64/x
  3. Step 3: Cross multiply
    112,304.64x = 154,982.40 × 62,000.64
  4. Step 4: Simplify right side
    112,304.64x = 9,609,007,988.74
  5. Step 5: Solve for x
    x = 9,609,007,988.74/112,304.64
  6. Step 6: Final answer
    x = 85,561.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.