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Finding the Fourth Proportional to 153,020.59, 229,569.80 and 89,894.10

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Solution

The fourth proportional to 153,020.59, 229,569.80 and 89,894.10 is: 134,864.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,020.59 : 229,569.80 = 89,894.10 : x
  2. Step 2: Convert to fraction form
    153,020.59/229,569.80 = 89,894.10/x
  3. Step 3: Cross multiply
    153,020.59x = 229,569.80 × 89,894.10
  4. Step 4: Simplify right side
    153,020.59x = 20,636,970,969.60
  5. Step 5: Solve for x
    x = 20,636,970,969.60/153,020.59
  6. Step 6: Final answer
    x = 134,864.01

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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.