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Finding the Fourth Proportional to 88,975.40, 133,430.70 and 44,587.40

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Solution

The fourth proportional to 88,975.40, 133,430.70 and 44,587.40 is: 66,864.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,975.40 : 133,430.70 = 44,587.40 : x
  2. Step 2: Convert to fraction form
    88,975.40/133,430.70 = 44,587.40/x
  3. Step 3: Cross multiply
    88,975.40x = 133,430.70 × 44,587.40
  4. Step 4: Simplify right side
    88,975.40x = 5,949,327,993.18
  5. Step 5: Solve for x
    x = 5,949,327,993.18/88,975.40
  6. Step 6: Final answer
    x = 66,864.86

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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.