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Finding the Fourth Proportional to 160,140.16, 240,128.53 and 53,485.70

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Solution

The fourth proportional to 160,140.16, 240,128.53 and 53,485.70 is: 80,201.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,140.16 : 240,128.53 = 53,485.70 : x
  2. Step 2: Convert to fraction form
    160,140.16/240,128.53 = 53,485.70/x
  3. Step 3: Cross multiply
    160,140.16x = 240,128.53 × 53,485.70
  4. Step 4: Simplify right side
    160,140.16x = 12,843,442,983.63
  5. Step 5: Solve for x
    x = 12,843,442,983.63/160,140.16
  6. Step 6: Final answer
    x = 80,201.26

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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.