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Finding the Fourth Proportional to 101,176.30, 151,764.45 and 48,688.30

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Solution

The fourth proportional to 101,176.30, 151,764.45 and 48,688.30 is: 73,032.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,176.30 : 151,764.45 = 48,688.30 : x
  2. Step 2: Convert to fraction form
    101,176.30/151,764.45 = 48,688.30/x
  3. Step 3: Cross multiply
    101,176.30x = 151,764.45 × 48,688.30
  4. Step 4: Simplify right side
    101,176.30x = 7,389,153,070.94
  5. Step 5: Solve for x
    x = 7,389,153,070.94/101,176.30
  6. Step 6: Final answer
    x = 73,032.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.