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Finding the Fourth Proportional to 88,899.40, 133,502.70 and 47,427.40

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Solution

The fourth proportional to 88,899.40, 133,502.70 and 47,427.40 is: 71,223.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,899.40 : 133,502.70 = 47,427.40 : x
  2. Step 2: Convert to fraction form
    88,899.40/133,502.70 = 47,427.40/x
  3. Step 3: Cross multiply
    88,899.40x = 133,502.70 × 47,427.40
  4. Step 4: Simplify right side
    88,899.40x = 6,331,685,953.98
  5. Step 5: Solve for x
    x = 6,331,685,953.98/88,899.40
  6. Step 6: Final answer
    x = 71,223.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.