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Finding the Fourth Proportional to 117,010.20, 175,590.90 and 64,457.40

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Solution

The fourth proportional to 117,010.20, 175,590.90 and 64,457.40 is: 96,727.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,010.20 : 175,590.90 = 64,457.40 : x
  2. Step 2: Convert to fraction form
    117,010.20/175,590.90 = 64,457.40/x
  3. Step 3: Cross multiply
    117,010.20x = 175,590.90 × 64,457.40
  4. Step 4: Simplify right side
    117,010.20x = 11,318,132,877.66
  5. Step 5: Solve for x
    x = 11,318,132,877.66/117,010.20
  6. Step 6: Final answer
    x = 96,727.75

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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.