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Finding the Fourth Proportional to 228,154.08, 314,844.72 and 127,551.84

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Solution

The fourth proportional to 228,154.08, 314,844.72 and 127,551.84 is: 176,017.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,154.08 : 314,844.72 = 127,551.84 : x
  2. Step 2: Convert to fraction form
    228,154.08/314,844.72 = 127,551.84/x
  3. Step 3: Cross multiply
    228,154.08x = 314,844.72 × 127,551.84
  4. Step 4: Simplify right side
    228,154.08x = 40,159,023,350.28
  5. Step 5: Solve for x
    x = 40,159,023,350.28/228,154.08
  6. Step 6: Final answer
    x = 176,017.12

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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.