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Finding the Fourth Proportional to 94,106.68, 129,841.87 and 53,812.12

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Solution

The fourth proportional to 94,106.68, 129,841.87 and 53,812.12 is: 74,246.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,106.68 : 129,841.87 = 53,812.12 : x
  2. Step 2: Convert to fraction form
    94,106.68/129,841.87 = 53,812.12/x
  3. Step 3: Cross multiply
    94,106.68x = 129,841.87 × 53,812.12
  4. Step 4: Simplify right side
    94,106.68x = 6,987,066,289.46
  5. Step 5: Solve for x
    x = 6,987,066,289.46/94,106.68
  6. Step 6: Final answer
    x = 74,246.23

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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.