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Finding the Fourth Proportional to 67,602.40, 101,465.60 and 34,345.60

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Solution

The fourth proportional to 67,602.40, 101,465.60 and 34,345.60 is: 51,549.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,602.40 : 101,465.60 = 34,345.60 : x
  2. Step 2: Convert to fraction form
    67,602.40/101,465.60 = 34,345.60/x
  3. Step 3: Cross multiply
    67,602.40x = 101,465.60 × 34,345.60
  4. Step 4: Simplify right side
    67,602.40x = 3,484,896,911.36
  5. Step 5: Solve for x
    x = 3,484,896,911.36/67,602.40
  6. Step 6: Final answer
    x = 51,549.90

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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.