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Finding the Fourth Proportional to 228,510.44, 315,174.50 and 147,875.76

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Solution

The fourth proportional to 228,510.44, 315,174.50 and 147,875.76 is: 203,958.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,510.44 : 315,174.50 = 147,875.76 : x
  2. Step 2: Convert to fraction form
    228,510.44/315,174.50 = 147,875.76/x
  3. Step 3: Cross multiply
    228,510.44x = 315,174.50 × 147,875.76
  4. Step 4: Simplify right side
    228,510.44x = 46,606,668,720.12
  5. Step 5: Solve for x
    x = 46,606,668,720.12/228,510.44
  6. Step 6: Final answer
    x = 203,958.60

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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.