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Finding the Fourth Proportional to 88,999.70, 124,366.30 and 88,999.70

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Solution

The fourth proportional to 88,999.70, 124,366.30 and 88,999.70 is: 124,366.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,999.70 : 124,366.30 = 88,999.70 : x
  2. Step 2: Convert to fraction form
    88,999.70/124,366.30 = 88,999.70/x
  3. Step 3: Cross multiply
    88,999.70x = 124,366.30 × 88,999.70
  4. Step 4: Simplify right side
    88,999.70x = 11,068,563,390.11
  5. Step 5: Solve for x
    x = 11,068,563,390.11/88,999.70
  6. Step 6: Final answer
    x = 124,366.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.