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Finding the Fourth Proportional to 185,138.80, 277,643.40 and 96,362.80

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Solution

The fourth proportional to 185,138.80, 277,643.40 and 96,362.80 is: 144,510.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,138.80 : 277,643.40 = 96,362.80 : x
  2. Step 2: Convert to fraction form
    185,138.80/277,643.40 = 96,362.80/x
  3. Step 3: Cross multiply
    185,138.80x = 277,643.40 × 96,362.80
  4. Step 4: Simplify right side
    185,138.80x = 26,754,495,425.52
  5. Step 5: Solve for x
    x = 26,754,495,425.52/185,138.80
  6. Step 6: Final answer
    x = 144,510.47

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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.