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Finding the Fourth Proportional to 232,807.72, 349,210.14 and 66,595.72

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Solution

The fourth proportional to 232,807.72, 349,210.14 and 66,595.72 is: 99,893.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,807.72 : 349,210.14 = 66,595.72 : x
  2. Step 2: Convert to fraction form
    232,807.72/349,210.14 = 66,595.72/x
  3. Step 3: Cross multiply
    232,807.72x = 349,210.14 × 66,595.72
  4. Step 4: Simplify right side
    232,807.72x = 23,255,900,704.60
  5. Step 5: Solve for x
    x = 23,255,900,704.60/232,807.72
  6. Step 6: Final answer
    x = 99,893.17

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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.