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Finding the Fourth Proportional to 125,501, 173,192.60 and 68,913.59

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Solution

The fourth proportional to 125,501, 173,192.60 and 68,913.59 is: 95,101.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,501 : 173,192.60 = 68,913.59 : x
  2. Step 2: Convert to fraction form
    125,501/173,192.60 = 68,913.59/x
  3. Step 3: Cross multiply
    125,501x = 173,192.60 × 68,913.59
  4. Step 4: Simplify right side
    125,501x = 11,935,323,482.87
  5. Step 5: Solve for x
    x = 11,935,323,482.87/125,501
  6. Step 6: Final answer
    x = 95,101.42

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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.