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Finding the Fourth Proportional to 268,875.72, 370,894.75 and 168,098.76

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Solution

The fourth proportional to 268,875.72, 370,894.75 and 168,098.76 is: 231,880.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,875.72 : 370,894.75 = 168,098.76 : x
  2. Step 2: Convert to fraction form
    268,875.72/370,894.75 = 168,098.76/x
  3. Step 3: Cross multiply
    268,875.72x = 370,894.75 × 168,098.76
  4. Step 4: Simplify right side
    268,875.72x = 62,346,947,145.26
  5. Step 5: Solve for x
    x = 62,346,947,145.26/268,875.72
  6. Step 6: Final answer
    x = 231,880.17

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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.