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Finding the Fourth Proportional to 134,953.60, 202,257.60 and 103,633.60

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Solution

The fourth proportional to 134,953.60, 202,257.60 and 103,633.60 is: 155,317.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,953.60 : 202,257.60 = 103,633.60 : x
  2. Step 2: Convert to fraction form
    134,953.60/202,257.60 = 103,633.60/x
  3. Step 3: Cross multiply
    134,953.60x = 202,257.60 × 103,633.60
  4. Step 4: Simplify right side
    134,953.60x = 20,960,683,215.36
  5. Step 5: Solve for x
    x = 20,960,683,215.36/134,953.60
  6. Step 6: Final answer
    x = 155,317.70

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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.