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Finding the Fourth Proportional to 274,459.95, 411,605.88 and 96,925.36

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Solution

The fourth proportional to 274,459.95, 411,605.88 and 96,925.36 is: 145,358.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,459.95 : 411,605.88 = 96,925.36 : x
  2. Step 2: Convert to fraction form
    274,459.95/411,605.88 = 96,925.36/x
  3. Step 3: Cross multiply
    274,459.95x = 411,605.88 × 96,925.36
  4. Step 4: Simplify right side
    274,459.95x = 39,895,048,097.12
  5. Step 5: Solve for x
    x = 39,895,048,097.12/274,459.95
  6. Step 6: Final answer
    x = 145,358.36

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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.