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Finding the Fourth Proportional to 316,898.16, 475,407.18 and 127,373.28

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Solution

The fourth proportional to 316,898.16, 475,407.18 and 127,373.28 is: 191,084.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,898.16 : 475,407.18 = 127,373.28 : x
  2. Step 2: Convert to fraction form
    316,898.16/475,407.18 = 127,373.28/x
  3. Step 3: Cross multiply
    316,898.16x = 475,407.18 × 127,373.28
  4. Step 4: Simplify right side
    316,898.16x = 60,554,171,852.15
  5. Step 5: Solve for x
    x = 60,554,171,852.15/316,898.16
  6. Step 6: Final answer
    x = 191,084.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.