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Finding the Fourth Proportional to 70,482.03, 97,208.73 and 61,966.14

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Solution

The fourth proportional to 70,482.03, 97,208.73 and 61,966.14 is: 85,463.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,482.03 : 97,208.73 = 61,966.14 : x
  2. Step 2: Convert to fraction form
    70,482.03/97,208.73 = 61,966.14/x
  3. Step 3: Cross multiply
    70,482.03x = 97,208.73 × 61,966.14
  4. Step 4: Simplify right side
    70,482.03x = 6,023,649,772.40
  5. Step 5: Solve for x
    x = 6,023,649,772.40/70,482.03
  6. Step 6: Final answer
    x = 85,463.62

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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.