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Finding the Fourth Proportional to 88,475.70, 124,215.90 and 88,475.70

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Solution

The fourth proportional to 88,475.70, 124,215.90 and 88,475.70 is: 124,215.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,475.70 : 124,215.90 = 88,475.70 : x
  2. Step 2: Convert to fraction form
    88,475.70/124,215.90 = 88,475.70/x
  3. Step 3: Cross multiply
    88,475.70x = 124,215.90 × 88,475.70
  4. Step 4: Simplify right side
    88,475.70x = 10,990,088,703.63
  5. Step 5: Solve for x
    x = 10,990,088,703.63/88,475.70
  6. Step 6: Final answer
    x = 124,215.90

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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.