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Finding the Fourth Proportional to 88,886.47, 122,670.90 and 50,657.71

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Solution

The fourth proportional to 88,886.47, 122,670.90 and 50,657.71 is: 69,911.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,886.47 : 122,670.90 = 50,657.71 : x
  2. Step 2: Convert to fraction form
    88,886.47/122,670.90 = 50,657.71/x
  3. Step 3: Cross multiply
    88,886.47x = 122,670.90 × 50,657.71
  4. Step 4: Simplify right side
    88,886.47x = 6,214,226,877.64
  5. Step 5: Solve for x
    x = 6,214,226,877.64/88,886.47
  6. Step 6: Final answer
    x = 69,911.95

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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.