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Finding the Fourth Proportional to 238,557.62, 357,828.21 and 61,066.16

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Solution

The fourth proportional to 238,557.62, 357,828.21 and 61,066.16 is: 91,597.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,557.62 : 357,828.21 = 61,066.16 : x
  2. Step 2: Convert to fraction form
    238,557.62/357,828.21 = 61,066.16/x
  3. Step 3: Cross multiply
    238,557.62x = 357,828.21 × 61,066.16
  4. Step 4: Simplify right side
    238,557.62x = 21,851,192,935.23
  5. Step 5: Solve for x
    x = 21,851,192,935.23/238,557.62
  6. Step 6: Final answer
    x = 91,597.13

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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.