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Finding the Fourth Proportional to 70,484.52, 97,259.67 and 40,271.80

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Solution

The fourth proportional to 70,484.52, 97,259.67 and 40,271.80 is: 55,569.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,484.52 : 97,259.67 = 40,271.80 : x
  2. Step 2: Convert to fraction form
    70,484.52/97,259.67 = 40,271.80/x
  3. Step 3: Cross multiply
    70,484.52x = 97,259.67 × 40,271.80
  4. Step 4: Simplify right side
    70,484.52x = 3,916,821,886.18
  5. Step 5: Solve for x
    x = 3,916,821,886.18/70,484.52
  6. Step 6: Final answer
    x = 55,569.96

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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.