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Finding the Fourth Proportional to 165,029.60, 247,544.40 and 153,970.40

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Solution

The fourth proportional to 165,029.60, 247,544.40 and 153,970.40 is: 230,955.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,029.60 : 247,544.40 = 153,970.40 : x
  2. Step 2: Convert to fraction form
    165,029.60/247,544.40 = 153,970.40/x
  3. Step 3: Cross multiply
    165,029.60x = 247,544.40 × 153,970.40
  4. Step 4: Simplify right side
    165,029.60x = 38,114,510,285.76
  5. Step 5: Solve for x
    x = 38,114,510,285.76/165,029.60
  6. Step 6: Final answer
    x = 230,955.60

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1.5x scale

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.