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Finding the Fourth Proportional to 95,438.40, 133,438.80 and 95,438.40

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Solution

The fourth proportional to 95,438.40, 133,438.80 and 95,438.40 is: 133,438.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,438.40 : 133,438.80 = 95,438.40 : x
  2. Step 2: Convert to fraction form
    95,438.40/133,438.80 = 95,438.40/x
  3. Step 3: Cross multiply
    95,438.40x = 133,438.80 × 95,438.40
  4. Step 4: Simplify right side
    95,438.40x = 12,735,185,569.92
  5. Step 5: Solve for x
    x = 12,735,185,569.92/95,438.40
  6. Step 6: Final answer
    x = 133,438.80

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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.