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Finding the Fourth Proportional to 93,000.68, 128,350.97 and 52,710.12

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Solution

The fourth proportional to 93,000.68, 128,350.97 and 52,710.12 is: 72,745.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,000.68 : 128,350.97 = 52,710.12 : x
  2. Step 2: Convert to fraction form
    93,000.68/128,350.97 = 52,710.12/x
  3. Step 3: Cross multiply
    93,000.68x = 128,350.97 × 52,710.12
  4. Step 4: Simplify right side
    93,000.68x = 6,765,395,030.82
  5. Step 5: Solve for x
    x = 6,765,395,030.82/93,000.68
  6. Step 6: Final answer
    x = 72,745.65

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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.