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Finding the Fourth Proportional to 114,893.60, 171,432.52 and 99,341.60

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Solution

The fourth proportional to 114,893.60, 171,432.52 and 99,341.60 is: 148,227.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,893.60 : 171,432.52 = 99,341.60 : x
  2. Step 2: Convert to fraction form
    114,893.60/171,432.52 = 99,341.60/x
  3. Step 3: Cross multiply
    114,893.60x = 171,432.52 × 99,341.60
  4. Step 4: Simplify right side
    114,893.60x = 17,030,380,828.83
  5. Step 5: Solve for x
    x = 17,030,380,828.83/114,893.60
  6. Step 6: Final answer
    x = 148,227.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.