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Finding the Fourth Proportional to 235,213.60, 352,820.40 and 141,901.60

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Solution

The fourth proportional to 235,213.60, 352,820.40 and 141,901.60 is: 212,852.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,213.60 : 352,820.40 = 141,901.60 : x
  2. Step 2: Convert to fraction form
    235,213.60/352,820.40 = 141,901.60/x
  3. Step 3: Cross multiply
    235,213.60x = 352,820.40 × 141,901.60
  4. Step 4: Simplify right side
    235,213.60x = 50,065,779,272.64
  5. Step 5: Solve for x
    x = 50,065,779,272.64/235,213.60
  6. Step 6: Final answer
    x = 212,852.40

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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.