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Finding the Fourth Proportional to 93,643.36, 129,191.42 and 59,645.77

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Solution

The fourth proportional to 93,643.36, 129,191.42 and 59,645.77 is: 82,287.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,643.36 : 129,191.42 = 59,645.77 : x
  2. Step 2: Convert to fraction form
    93,643.36/129,191.42 = 59,645.77/x
  3. Step 3: Cross multiply
    93,643.36x = 129,191.42 × 59,645.77
  4. Step 4: Simplify right side
    93,643.36x = 7,705,721,549.43
  5. Step 5: Solve for x
    x = 7,705,721,549.43/93,643.36
  6. Step 6: Final answer
    x = 82,287.97

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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.