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Finding the Fourth Proportional to 107,358.80, 161,038.20 and 101,235.20

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Solution

The fourth proportional to 107,358.80, 161,038.20 and 101,235.20 is: 151,852.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,358.80 : 161,038.20 = 101,235.20 : x
  2. Step 2: Convert to fraction form
    107,358.80/161,038.20 = 101,235.20/x
  3. Step 3: Cross multiply
    107,358.80x = 161,038.20 × 101,235.20
  4. Step 4: Simplify right side
    107,358.80x = 16,302,734,384.64
  5. Step 5: Solve for x
    x = 16,302,734,384.64/107,358.80
  6. Step 6: Final answer
    x = 151,852.80

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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.