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Finding the Fourth Proportional to 134,898.60, 202,347.90 and 84,816.30

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Solution

The fourth proportional to 134,898.60, 202,347.90 and 84,816.30 is: 127,224.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,898.60 : 202,347.90 = 84,816.30 : x
  2. Step 2: Convert to fraction form
    134,898.60/202,347.90 = 84,816.30/x
  3. Step 3: Cross multiply
    134,898.60x = 202,347.90 × 84,816.30
  4. Step 4: Simplify right side
    134,898.60x = 17,162,400,190.77
  5. Step 5: Solve for x
    x = 17,162,400,190.77/134,898.60
  6. Step 6: Final answer
    x = 127,224.45

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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.