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Finding the Fourth Proportional to 142,597.84, 214,107.04 and 79,541.17

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Solution

The fourth proportional to 142,597.84, 214,107.04 and 79,541.17 is: 119,429.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,597.84 : 214,107.04 = 79,541.17 : x
  2. Step 2: Convert to fraction form
    142,597.84/214,107.04 = 79,541.17/x
  3. Step 3: Cross multiply
    142,597.84x = 214,107.04 × 79,541.17
  4. Step 4: Simplify right side
    142,597.84x = 17,030,324,466.84
  5. Step 5: Solve for x
    x = 17,030,324,466.84/142,597.84
  6. Step 6: Final answer
    x = 119,429.05

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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.