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Finding the Fourth Proportional to 70,210.97, 105,316.47 and 23,463.84

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Solution

The fourth proportional to 70,210.97, 105,316.47 and 23,463.84 is: 35,195.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,210.97 : 105,316.47 = 23,463.84 : x
  2. Step 2: Convert to fraction form
    70,210.97/105,316.47 = 23,463.84/x
  3. Step 3: Cross multiply
    70,210.97x = 105,316.47 × 23,463.84
  4. Step 4: Simplify right side
    70,210.97x = 2,471,129,196.38
  5. Step 5: Solve for x
    x = 2,471,129,196.38/70,210.97
  6. Step 6: Final answer
    x = 35,195.77

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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.