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Finding the Fourth Proportional to 58,840.32, 88,292.16 and 45,719.04

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Solution

The fourth proportional to 58,840.32, 88,292.16 and 45,719.04 is: 68,603.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,840.32 : 88,292.16 = 45,719.04 : x
  2. Step 2: Convert to fraction form
    58,840.32/88,292.16 = 45,719.04/x
  3. Step 3: Cross multiply
    58,840.32x = 88,292.16 × 45,719.04
  4. Step 4: Simplify right side
    58,840.32x = 4,036,632,794.73
  5. Step 5: Solve for x
    x = 4,036,632,794.73/58,840.32
  6. Step 6: Final answer
    x = 68,603.18

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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.