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Finding the Fourth Proportional to 186,217.67, 256,985.75 and 101,340.11

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Solution

The fourth proportional to 186,217.67, 256,985.75 and 101,340.11 is: 139,852.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,217.67 : 256,985.75 = 101,340.11 : x
  2. Step 2: Convert to fraction form
    186,217.67/256,985.75 = 101,340.11/x
  3. Step 3: Cross multiply
    186,217.67x = 256,985.75 × 101,340.11
  4. Step 4: Simplify right side
    186,217.67x = 26,042,963,666.73
  5. Step 5: Solve for x
    x = 26,042,963,666.73/186,217.67
  6. Step 6: Final answer
    x = 139,852.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.