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Finding the Fourth Proportional to 252,460.92, 348,426.90 and 145,030.72

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Solution

The fourth proportional to 252,460.92, 348,426.90 and 145,030.72 is: 200,160.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,460.92 : 348,426.90 = 145,030.72 : x
  2. Step 2: Convert to fraction form
    252,460.92/348,426.90 = 145,030.72/x
  3. Step 3: Cross multiply
    252,460.92x = 348,426.90 × 145,030.72
  4. Step 4: Simplify right side
    252,460.92x = 50,532,604,174.37
  5. Step 5: Solve for x
    x = 50,532,604,174.37/252,460.92
  6. Step 6: Final answer
    x = 200,160.10

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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.