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Finding the Fourth Proportional to 152,695.60, 229,091.40 and 73,812.40

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Solution

The fourth proportional to 152,695.60, 229,091.40 and 73,812.40 is: 110,741.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,695.60 : 229,091.40 = 73,812.40 : x
  2. Step 2: Convert to fraction form
    152,695.60/229,091.40 = 73,812.40/x
  3. Step 3: Cross multiply
    152,695.60x = 229,091.40 × 73,812.40
  4. Step 4: Simplify right side
    152,695.60x = 16,909,786,053.36
  5. Step 5: Solve for x
    x = 16,909,786,053.36/152,695.60
  6. Step 6: Final answer
    x = 110,741.80

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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.