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Finding the Fourth Proportional to 160,628.80, 240,770.40 and 60,750.40

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Solution

The fourth proportional to 160,628.80, 240,770.40 and 60,750.40 is: 91,060.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,628.80 : 240,770.40 = 60,750.40 : x
  2. Step 2: Convert to fraction form
    160,628.80/240,770.40 = 60,750.40/x
  3. Step 3: Cross multiply
    160,628.80x = 240,770.40 × 60,750.40
  4. Step 4: Simplify right side
    160,628.80x = 14,626,898,108.16
  5. Step 5: Solve for x
    x = 14,626,898,108.16/160,628.80
  6. Step 6: Final answer
    x = 91,060.25

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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.