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Finding the Fourth Proportional to 141,602.16, 212,534.52 and 71,530.68

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Solution

The fourth proportional to 141,602.16, 212,534.52 and 71,530.68 is: 107,362.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,602.16 : 212,534.52 = 71,530.68 : x
  2. Step 2: Convert to fraction form
    141,602.16/212,534.52 = 71,530.68/x
  3. Step 3: Cross multiply
    141,602.16x = 212,534.52 × 71,530.68
  4. Step 4: Simplify right side
    141,602.16x = 15,202,738,739.07
  5. Step 5: Solve for x
    x = 15,202,738,739.07/141,602.16
  6. Step 6: Final answer
    x = 107,362.34

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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.