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Finding the Fourth Proportional to 369,444.78, 554,167.44 and 88,962.30

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Solution

The fourth proportional to 369,444.78, 554,167.44 and 88,962.30 is: 133,443.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,444.78 : 554,167.44 = 88,962.30 : x
  2. Step 2: Convert to fraction form
    369,444.78/554,167.44 = 88,962.30/x
  3. Step 3: Cross multiply
    369,444.78x = 554,167.44 × 88,962.30
  4. Step 4: Simplify right side
    369,444.78x = 49,300,010,047.51
  5. Step 5: Solve for x
    x = 49,300,010,047.51/369,444.78
  6. Step 6: Final answer
    x = 133,443.52

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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.