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Finding the Fourth Proportional to 125,896.16, 173,736.75 and 69,307.13

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Solution

The fourth proportional to 125,896.16, 173,736.75 and 69,307.13 is: 95,643.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,896.16 : 173,736.75 = 69,307.13 : x
  2. Step 2: Convert to fraction form
    125,896.16/173,736.75 = 69,307.13/x
  3. Step 3: Cross multiply
    125,896.16x = 173,736.75 × 69,307.13
  4. Step 4: Simplify right side
    125,896.16x = 12,041,194,649.34
  5. Step 5: Solve for x
    x = 12,041,194,649.34/125,896.16
  6. Step 6: Final answer
    x = 95,643.86

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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.