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Finding the Fourth Proportional to 372,307.33, 558,368.73 and 106,070.16

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Solution

The fourth proportional to 372,307.33, 558,368.73 and 106,070.16 is: 159,078.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,307.33 : 558,368.73 = 106,070.16 : x
  2. Step 2: Convert to fraction form
    372,307.33/558,368.73 = 106,070.16/x
  3. Step 3: Cross multiply
    372,307.33x = 558,368.73 × 106,070.16
  4. Step 4: Simplify right side
    372,307.33x = 59,226,260,530.10
  5. Step 5: Solve for x
    x = 59,226,260,530.10/372,307.33
  6. Step 6: Final answer
    x = 159,078.95

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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.