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Finding the Fourth Proportional to 228,501.02, 315,331.14 and 127,899.02

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Solution

The fourth proportional to 228,501.02, 315,331.14 and 127,899.02 is: 176,500.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,501.02 : 315,331.14 = 127,899.02 : x
  2. Step 2: Convert to fraction form
    228,501.02/315,331.14 = 127,899.02/x
  3. Step 3: Cross multiply
    228,501.02x = 315,331.14 × 127,899.02
  4. Step 4: Simplify right side
    228,501.02x = 40,330,543,781.48
  5. Step 5: Solve for x
    x = 40,330,543,781.48/228,501.02
  6. Step 6: Final answer
    x = 176,500.50

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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.