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Finding the Fourth Proportional to 174,256.63, 260,963.93 and 99,149.25

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Solution

The fourth proportional to 174,256.63, 260,963.93 and 99,149.25 is: 148,484.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,256.63 : 260,963.93 = 99,149.25 : x
  2. Step 2: Convert to fraction form
    174,256.63/260,963.93 = 99,149.25/x
  3. Step 3: Cross multiply
    174,256.63x = 260,963.93 × 99,149.25
  4. Step 4: Simplify right side
    174,256.63x = 25,874,377,936.55
  5. Step 5: Solve for x
    x = 25,874,377,936.55/174,256.63
  6. Step 6: Final answer
    x = 148,484.32

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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.