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Finding the Fourth Proportional to 108,030.80, 162,046.20 and 101,907.20

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Solution

The fourth proportional to 108,030.80, 162,046.20 and 101,907.20 is: 152,860.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,030.80 : 162,046.20 = 101,907.20 : x
  2. Step 2: Convert to fraction form
    108,030.80/162,046.20 = 101,907.20/x
  3. Step 3: Cross multiply
    108,030.80x = 162,046.20 × 101,907.20
  4. Step 4: Simplify right side
    108,030.80x = 16,513,674,512.64
  5. Step 5: Solve for x
    x = 16,513,674,512.64/108,030.80
  6. Step 6: Final answer
    x = 152,860.80

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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.