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Finding the Fourth Proportional to 160,367.60, 240,259.80 and 130,624.40

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Solution

The fourth proportional to 160,367.60, 240,259.80 and 130,624.40 is: 195,699.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,367.60 : 240,259.80 = 130,624.40 : x
  2. Step 2: Convert to fraction form
    160,367.60/240,259.80 = 130,624.40/x
  3. Step 3: Cross multiply
    160,367.60x = 240,259.80 × 130,624.40
  4. Step 4: Simplify right side
    160,367.60x = 31,383,792,219.12
  5. Step 5: Solve for x
    x = 31,383,792,219.12/160,367.60
  6. Step 6: Final answer
    x = 195,699.08

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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.