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Finding the Fourth Proportional to 141,525.60, 212,288.40 and 141,525.60

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Solution

The fourth proportional to 141,525.60, 212,288.40 and 141,525.60 is: 212,288.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,525.60 : 212,288.40 = 141,525.60 : x
  2. Step 2: Convert to fraction form
    141,525.60/212,288.40 = 141,525.60/x
  3. Step 3: Cross multiply
    141,525.60x = 212,288.40 × 141,525.60
  4. Step 4: Simplify right side
    141,525.60x = 30,044,243,183.04
  5. Step 5: Solve for x
    x = 30,044,243,183.04/141,525.60
  6. Step 6: Final answer
    x = 212,288.40

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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.