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Finding the Fourth Proportional to 148,034.58, 204,158.58 and 104,928.80

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Solution

The fourth proportional to 148,034.58, 204,158.58 and 104,928.80 is: 144,710.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,034.58 : 204,158.58 = 104,928.80 : x
  2. Step 2: Convert to fraction form
    148,034.58/204,158.58 = 104,928.80/x
  3. Step 3: Cross multiply
    148,034.58x = 204,158.58 × 104,928.80
  4. Step 4: Simplify right side
    148,034.58x = 21,422,114,809.10
  5. Step 5: Solve for x
    x = 21,422,114,809.10/148,034.58
  6. Step 6: Final answer
    x = 144,710.21

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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.