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Finding the Fourth Proportional to 88,612.86, 122,278.95 and 50,899.26

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Solution

The fourth proportional to 88,612.86, 122,278.95 and 50,899.26 is: 70,237.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,612.86 : 122,278.95 = 50,899.26 : x
  2. Step 2: Convert to fraction form
    88,612.86/122,278.95 = 50,899.26/x
  3. Step 3: Cross multiply
    88,612.86x = 122,278.95 × 50,899.26
  4. Step 4: Simplify right side
    88,612.86x = 6,223,908,068.58
  5. Step 5: Solve for x
    x = 6,223,908,068.58/88,612.86
  6. Step 6: Final answer
    x = 70,237.07

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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.