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Finding the Fourth Proportional to 238,681.71, 357,995.84 and 61,192.89

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Solution

The fourth proportional to 238,681.71, 357,995.84 and 61,192.89 is: 91,782.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,681.71 : 357,995.84 = 61,192.89 : x
  2. Step 2: Convert to fraction form
    238,681.71/357,995.84 = 61,192.89/x
  3. Step 3: Cross multiply
    238,681.71x = 357,995.84 × 61,192.89
  4. Step 4: Simplify right side
    238,681.71x = 21,906,799,751.61
  5. Step 5: Solve for x
    x = 21,906,799,751.61/238,681.71
  6. Step 6: Final answer
    x = 91,782.48

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1.5x scale

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.