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Finding the Fourth Proportional to 168,061.60, 235,461.20 and 168,061.60

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Solution

The fourth proportional to 168,061.60, 235,461.20 and 168,061.60 is: 235,461.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,061.60 : 235,461.20 = 168,061.60 : x
  2. Step 2: Convert to fraction form
    168,061.60/235,461.20 = 168,061.60/x
  3. Step 3: Cross multiply
    168,061.60x = 235,461.20 × 168,061.60
  4. Step 4: Simplify right side
    168,061.60x = 39,571,986,009.92
  5. Step 5: Solve for x
    x = 39,571,986,009.92/168,061.60
  6. Step 6: Final answer
    x = 235,461.20

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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.