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Finding the Fourth Proportional to 70,122.98, 105,184.47 and 17,532.47

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Solution

The fourth proportional to 70,122.98, 105,184.47 and 17,532.47 is: 26,298.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,122.98 : 105,184.47 = 17,532.47 : x
  2. Step 2: Convert to fraction form
    70,122.98/105,184.47 = 17,532.47/x
  3. Step 3: Cross multiply
    70,122.98x = 105,184.47 × 17,532.47
  4. Step 4: Simplify right side
    70,122.98x = 1,844,143,038.82
  5. Step 5: Solve for x
    x = 1,844,143,038.82/70,122.98
  6. Step 6: Final answer
    x = 26,298.70

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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.