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Finding the Fourth Proportional to 67,355.80, 101,033.70 and 61,888.30

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Solution

The fourth proportional to 67,355.80, 101,033.70 and 61,888.30 is: 92,832.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,355.80 : 101,033.70 = 61,888.30 : x
  2. Step 2: Convert to fraction form
    67,355.80/101,033.70 = 61,888.30/x
  3. Step 3: Cross multiply
    67,355.80x = 101,033.70 × 61,888.30
  4. Step 4: Simplify right side
    67,355.80x = 6,252,803,935.71
  5. Step 5: Solve for x
    x = 6,252,803,935.71/67,355.80
  6. Step 6: Final answer
    x = 92,832.45

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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.