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Finding the Fourth Proportional to 232,117.10, 348,175.65 and 65,905.10

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Solution

The fourth proportional to 232,117.10, 348,175.65 and 65,905.10 is: 98,857.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,117.10 : 348,175.65 = 65,905.10 : x
  2. Step 2: Convert to fraction form
    232,117.10/348,175.65 = 65,905.10/x
  3. Step 3: Cross multiply
    232,117.10x = 348,175.65 × 65,905.10
  4. Step 4: Simplify right side
    232,117.10x = 22,946,551,030.82
  5. Step 5: Solve for x
    x = 22,946,551,030.82/232,117.10
  6. Step 6: Final answer
    x = 98,857.65

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1.5x scale

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.