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Finding the Fourth Proportional to 228,063.30, 314,722.17 and 127,461.30

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Solution

The fourth proportional to 228,063.30, 314,722.17 and 127,461.30 is: 175,893.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,063.30 : 314,722.17 = 127,461.30 : x
  2. Step 2: Convert to fraction form
    228,063.30/314,722.17 = 127,461.30/x
  3. Step 3: Cross multiply
    228,063.30x = 314,722.17 × 127,461.30
  4. Step 4: Simplify right side
    228,063.30x = 40,114,896,927.02
  5. Step 5: Solve for x
    x = 40,114,896,927.02/228,063.30
  6. Step 6: Final answer
    x = 175,893.70

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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.