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Finding the Fourth Proportional to 104,567.98, 144,304.05 and 56,820.28

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Solution

The fourth proportional to 104,567.98, 144,304.05 and 56,820.28 is: 78,412.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,567.98 : 144,304.05 = 56,820.28 : x
  2. Step 2: Convert to fraction form
    104,567.98/144,304.05 = 56,820.28/x
  3. Step 3: Cross multiply
    104,567.98x = 144,304.05 × 56,820.28
  4. Step 4: Simplify right side
    104,567.98x = 8,199,396,526.13
  5. Step 5: Solve for x
    x = 8,199,396,526.13/104,567.98
  6. Step 6: Final answer
    x = 78,412.12

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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.