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Finding the Fourth Proportional to 154,070.70, 230,890.05 and 122,534.70

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Solution

The fourth proportional to 154,070.70, 230,890.05 and 122,534.70 is: 183,630.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,070.70 : 230,890.05 = 122,534.70 : x
  2. Step 2: Convert to fraction form
    154,070.70/230,890.05 = 122,534.70/x
  3. Step 3: Cross multiply
    154,070.70x = 230,890.05 × 122,534.70
  4. Step 4: Simplify right side
    154,070.70x = 28,292,043,009.74
  5. Step 5: Solve for x
    x = 28,292,043,009.74/154,070.70
  6. Step 6: Final answer
    x = 183,630.26

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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.