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Finding the Fourth Proportional to 67,871.60, 101,783.01 and 23,486.30

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Solution

The fourth proportional to 67,871.60, 101,783.01 and 23,486.30 is: 35,221.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,871.60 : 101,783.01 = 23,486.30 : x
  2. Step 2: Convert to fraction form
    67,871.60/101,783.01 = 23,486.30/x
  3. Step 3: Cross multiply
    67,871.60x = 101,783.01 × 23,486.30
  4. Step 4: Simplify right side
    67,871.60x = 2,390,506,307.76
  5. Step 5: Solve for x
    x = 2,390,506,307.76/67,871.60
  6. Step 6: Final answer
    x = 35,221.01

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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.