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Finding the Fourth Proportional to 93,751.76, 129,332.70 and 57,928.88

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Solution

The fourth proportional to 93,751.76, 129,332.70 and 57,928.88 is: 79,914.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,751.76 : 129,332.70 = 57,928.88 : x
  2. Step 2: Convert to fraction form
    93,751.76/129,332.70 = 57,928.88/x
  3. Step 3: Cross multiply
    93,751.76x = 129,332.70 × 57,928.88
  4. Step 4: Simplify right side
    93,751.76x = 7,492,098,458.38
  5. Step 5: Solve for x
    x = 7,492,098,458.38/93,751.76
  6. Step 6: Final answer
    x = 79,914.22

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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.