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Finding the Fourth Proportional to 354,116.92, 531,094.36 and 101,392.60

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Solution

The fourth proportional to 354,116.92, 531,094.36 and 101,392.60 is: 152,065.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,116.92 : 531,094.36 = 101,392.60 : x
  2. Step 2: Convert to fraction form
    354,116.92/531,094.36 = 101,392.60/x
  3. Step 3: Cross multiply
    354,116.92x = 531,094.36 × 101,392.60
  4. Step 4: Simplify right side
    354,116.92x = 53,849,038,005.74
  5. Step 5: Solve for x
    x = 53,849,038,005.74/354,116.92
  6. Step 6: Final answer
    x = 152,065.70

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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.