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Finding the Fourth Proportional to 70,799.84, 97,671.08 and 45,657.44

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Solution

The fourth proportional to 70,799.84, 97,671.08 and 45,657.44 is: 62,986.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,799.84 : 97,671.08 = 45,657.44 : x
  2. Step 2: Convert to fraction form
    70,799.84/97,671.08 = 45,657.44/x
  3. Step 3: Cross multiply
    70,799.84x = 97,671.08 × 45,657.44
  4. Step 4: Simplify right side
    70,799.84x = 4,459,411,474.84
  5. Step 5: Solve for x
    x = 4,459,411,474.84/70,799.84
  6. Step 6: Final answer
    x = 62,986.18

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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.