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Finding the Fourth Proportional to 97,302.32, 145,962.12 and 34,990.64

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Solution

The fourth proportional to 97,302.32, 145,962.12 and 34,990.64 is: 52,489.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,302.32 : 145,962.12 = 34,990.64 : x
  2. Step 2: Convert to fraction form
    97,302.32/145,962.12 = 34,990.64/x
  3. Step 3: Cross multiply
    97,302.32x = 145,962.12 × 34,990.64
  4. Step 4: Simplify right side
    97,302.32x = 5,107,307,994.56
  5. Step 5: Solve for x
    x = 5,107,307,994.56/97,302.32
  6. Step 6: Final answer
    x = 52,489.07

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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.