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Finding the Fourth Proportional to 125,755.47, 173,539.08 and 69,166.89

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Solution

The fourth proportional to 125,755.47, 173,539.08 and 69,166.89 is: 95,448.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,755.47 : 173,539.08 = 69,166.89 : x
  2. Step 2: Convert to fraction form
    125,755.47/173,539.08 = 69,166.89/x
  3. Step 3: Cross multiply
    125,755.47x = 173,539.08 × 69,166.89
  4. Step 4: Simplify right side
    125,755.47x = 12,003,158,457.06
  5. Step 5: Solve for x
    x = 12,003,158,457.06/125,755.47
  6. Step 6: Final answer
    x = 95,448.40

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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.