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Finding the Fourth Proportional to 88,415.08, 122,018.34 and 48,671.08

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Solution

The fourth proportional to 88,415.08, 122,018.34 and 48,671.08 is: 67,169.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,415.08 : 122,018.34 = 48,671.08 : x
  2. Step 2: Convert to fraction form
    88,415.08/122,018.34 = 48,671.08/x
  3. Step 3: Cross multiply
    88,415.08x = 122,018.34 × 48,671.08
  4. Step 4: Simplify right side
    88,415.08x = 5,938,764,387.61
  5. Step 5: Solve for x
    x = 5,938,764,387.61/88,415.08
  6. Step 6: Final answer
    x = 67,169.13

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1.5x scale

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.