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Finding the Fourth Proportional to 207,510.62, 286,361.61 and 116,866.76

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Solution

The fourth proportional to 207,510.62, 286,361.61 and 116,866.76 is: 161,274.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,510.62 : 286,361.61 = 116,866.76 : x
  2. Step 2: Convert to fraction form
    207,510.62/286,361.61 = 116,866.76/x
  3. Step 3: Cross multiply
    207,510.62x = 286,361.61 × 116,866.76
  4. Step 4: Simplify right side
    207,510.62x = 33,466,153,549.08
  5. Step 5: Solve for x
    x = 33,466,153,549.08/207,510.62
  6. Step 6: Final answer
    x = 161,274.41

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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.