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Finding the Fourth Proportional to 94,641.40, 141,962.10 and 88,809.40

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Solution

The fourth proportional to 94,641.40, 141,962.10 and 88,809.40 is: 133,214.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,641.40 : 141,962.10 = 88,809.40 : x
  2. Step 2: Convert to fraction form
    94,641.40/141,962.10 = 88,809.40/x
  3. Step 3: Cross multiply
    94,641.40x = 141,962.10 × 88,809.40
  4. Step 4: Simplify right side
    94,641.40x = 12,607,568,923.74
  5. Step 5: Solve for x
    x = 12,607,568,923.74/94,641.40
  6. Step 6: Final answer
    x = 133,214.10

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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.