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Finding the Fourth Proportional to 134,106.69, 201,195.02 and 77,892.76

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Solution

The fourth proportional to 134,106.69, 201,195.02 and 77,892.76 is: 116,859.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,106.69 : 201,195.02 = 77,892.76 : x
  2. Step 2: Convert to fraction form
    134,106.69/201,195.02 = 77,892.76/x
  3. Step 3: Cross multiply
    134,106.69x = 201,195.02 × 77,892.76
  4. Step 4: Simplify right side
    134,106.69x = 15,671,635,406.06
  5. Step 5: Solve for x
    x = 15,671,635,406.06/134,106.69
  6. Step 6: Final answer
    x = 116,859.46

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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.