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Finding the Fourth Proportional to 171,503.60, 257,946.60 and 153,532.40

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Solution

The fourth proportional to 171,503.60, 257,946.60 and 153,532.40 is: 230,917.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,503.60 : 257,946.60 = 153,532.40 : x
  2. Step 2: Convert to fraction form
    171,503.60/257,946.60 = 153,532.40/x
  3. Step 3: Cross multiply
    171,503.60x = 257,946.60 × 153,532.40
  4. Step 4: Simplify right side
    171,503.60x = 39,603,160,569.84
  5. Step 5: Solve for x
    x = 39,603,160,569.84/171,503.60
  6. Step 6: Final answer
    x = 230,917.37

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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.