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Finding the Fourth Proportional to 93,397.50, 128,888.55 and 59,863.50

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Solution

The fourth proportional to 93,397.50, 128,888.55 and 59,863.50 is: 82,611.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,397.50 : 128,888.55 = 59,863.50 : x
  2. Step 2: Convert to fraction form
    93,397.50/128,888.55 = 59,863.50/x
  3. Step 3: Cross multiply
    93,397.50x = 128,888.55 × 59,863.50
  4. Step 4: Simplify right side
    93,397.50x = 7,715,719,712.93
  5. Step 5: Solve for x
    x = 7,715,719,712.93/93,397.50
  6. Step 6: Final answer
    x = 82,611.63

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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.