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Finding the Fourth Proportional to 73,311.51, 101,117.70 and 67,281.23

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Solution

The fourth proportional to 73,311.51, 101,117.70 and 67,281.23 is: 92,800.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,311.51 : 101,117.70 = 67,281.23 : x
  2. Step 2: Convert to fraction form
    73,311.51/101,117.70 = 67,281.23/x
  3. Step 3: Cross multiply
    73,311.51x = 101,117.70 × 67,281.23
  4. Step 4: Simplify right side
    73,311.51x = 6,803,323,483.57
  5. Step 5: Solve for x
    x = 6,803,323,483.57/73,311.51
  6. Step 6: Final answer
    x = 92,800.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.