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Finding the Fourth Proportional to 125,445.98, 173,259.14 and 82,616.94

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Solution

The fourth proportional to 125,445.98, 173,259.14 and 82,616.94 is: 114,106.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,445.98 : 173,259.14 = 82,616.94 : x
  2. Step 2: Convert to fraction form
    125,445.98/173,259.14 = 82,616.94/x
  3. Step 3: Cross multiply
    125,445.98x = 173,259.14 × 82,616.94
  4. Step 4: Simplify right side
    125,445.98x = 14,314,139,973.83
  5. Step 5: Solve for x
    x = 14,314,139,973.83/125,445.98
  6. Step 6: Final answer
    x = 114,106.01

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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.