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Finding the Fourth Proportional to 228,437.63, 315,200.18 and 147,853.97

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Solution

The fourth proportional to 228,437.63, 315,200.18 and 147,853.97 is: 204,010.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,437.63 : 315,200.18 = 147,853.97 : x
  2. Step 2: Convert to fraction form
    228,437.63/315,200.18 = 147,853.97/x
  3. Step 3: Cross multiply
    228,437.63x = 315,200.18 × 147,853.97
  4. Step 4: Simplify right side
    228,437.63x = 46,603,596,751.35
  5. Step 5: Solve for x
    x = 46,603,596,751.35/228,437.63
  6. Step 6: Final answer
    x = 204,010.16

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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.