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Finding the Fourth Proportional to 93,889.32, 129,561.12 and 59,894.15

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Solution

The fourth proportional to 93,889.32, 129,561.12 and 59,894.15 is: 82,650.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,889.32 : 129,561.12 = 59,894.15 : x
  2. Step 2: Convert to fraction form
    93,889.32/129,561.12 = 59,894.15/x
  3. Step 3: Cross multiply
    93,889.32x = 129,561.12 × 59,894.15
  4. Step 4: Simplify right side
    93,889.32x = 7,759,953,872.84
  5. Step 5: Solve for x
    x = 7,759,953,872.84/93,889.32
  6. Step 6: Final answer
    x = 82,650.02

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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.