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Finding the Fourth Proportional to 163,489.59, 225,533.16 and 141,950.07

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Solution

The fourth proportional to 163,489.59, 225,533.16 and 141,950.07 is: 195,819.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,489.59 : 225,533.16 = 141,950.07 : x
  2. Step 2: Convert to fraction form
    163,489.59/225,533.16 = 141,950.07/x
  3. Step 3: Cross multiply
    163,489.59x = 225,533.16 × 141,950.07
  4. Step 4: Simplify right side
    163,489.59x = 32,014,447,849.32
  5. Step 5: Solve for x
    x = 32,014,447,849.32/163,489.59
  6. Step 6: Final answer
    x = 195,819.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.