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Finding the Fourth Proportional to 64,006.80, 96,010.20 and 60,118.80

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Solution

The fourth proportional to 64,006.80, 96,010.20 and 60,118.80 is: 90,178.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,006.80 : 96,010.20 = 60,118.80 : x
  2. Step 2: Convert to fraction form
    64,006.80/96,010.20 = 60,118.80/x
  3. Step 3: Cross multiply
    64,006.80x = 96,010.20 × 60,118.80
  4. Step 4: Simplify right side
    64,006.80x = 5,772,018,011.76
  5. Step 5: Solve for x
    x = 5,772,018,011.76/64,006.80
  6. Step 6: Final answer
    x = 90,178.20

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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.