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Finding the Fourth Proportional to 72,923.74, 100,681.20 and 59,526.84

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Solution

The fourth proportional to 72,923.74, 100,681.20 and 59,526.84 is: 82,184.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,923.74 : 100,681.20 = 59,526.84 : x
  2. Step 2: Convert to fraction form
    72,923.74/100,681.20 = 59,526.84/x
  3. Step 3: Cross multiply
    72,923.74x = 100,681.20 × 59,526.84
  4. Step 4: Simplify right side
    72,923.74x = 5,993,233,683.41
  5. Step 5: Solve for x
    x = 5,993,233,683.41/72,923.74
  6. Step 6: Final answer
    x = 82,184.95

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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.