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Finding the Fourth Proportional to 68,053.59, 101,421.07 and 64,510.65

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Solution

The fourth proportional to 68,053.59, 101,421.07 and 64,510.65 is: 96,140.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,053.59 : 101,421.07 = 64,510.65 : x
  2. Step 2: Convert to fraction form
    68,053.59/101,421.07 = 64,510.65/x
  3. Step 3: Cross multiply
    68,053.59x = 101,421.07 × 64,510.65
  4. Step 4: Simplify right side
    68,053.59x = 6,542,738,826.84
  5. Step 5: Solve for x
    x = 6,542,738,826.84/68,053.59
  6. Step 6: Final answer
    x = 96,140.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.