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Finding the Fourth Proportional to 125,957.39, 173,813.20 and 69,368.77

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Solution

The fourth proportional to 125,957.39, 173,813.20 and 69,368.77 is: 95,724.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,957.39 : 173,813.20 = 69,368.77 : x
  2. Step 2: Convert to fraction form
    125,957.39/173,813.20 = 69,368.77/x
  3. Step 3: Cross multiply
    125,957.39x = 173,813.20 × 69,368.77
  4. Step 4: Simplify right side
    125,957.39x = 12,057,207,893.76
  5. Step 5: Solve for x
    x = 12,057,207,893.76/125,957.39
  6. Step 6: Final answer
    x = 95,724.50

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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.