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Finding the Fourth Proportional to 124,464.61, 171,774.48 and 76,094.92

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Solution

The fourth proportional to 124,464.61, 171,774.48 and 76,094.92 is: 105,019.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,464.61 : 171,774.48 = 76,094.92 : x
  2. Step 2: Convert to fraction form
    124,464.61/171,774.48 = 76,094.92/x
  3. Step 3: Cross multiply
    124,464.61x = 171,774.48 × 76,094.92
  4. Step 4: Simplify right side
    124,464.61x = 13,071,164,074.29
  5. Step 5: Solve for x
    x = 13,071,164,074.29/124,464.61
  6. Step 6: Final answer
    x = 105,019.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.