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Finding the Fourth Proportional to 128,832.56, 193,030.16 and 62,304

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Solution

The fourth proportional to 128,832.56, 193,030.16 and 62,304 is: 93,350.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,832.56 : 193,030.16 = 62,304 : x
  2. Step 2: Convert to fraction form
    128,832.56/193,030.16 = 62,304/x
  3. Step 3: Cross multiply
    128,832.56x = 193,030.16 × 62,304
  4. Step 4: Simplify right side
    128,832.56x = 12,026,551,088.64
  5. Step 5: Solve for x
    x = 12,026,551,088.64/128,832.56
  6. Step 6: Final answer
    x = 93,350.25

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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.