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Finding the Fourth Proportional to 181,702.80, 250,747.34 and 101,130.36

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Solution

The fourth proportional to 181,702.80, 250,747.34 and 101,130.36 is: 139,558.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,702.80 : 250,747.34 = 101,130.36 : x
  2. Step 2: Convert to fraction form
    181,702.80/250,747.34 = 101,130.36/x
  3. Step 3: Cross multiply
    181,702.80x = 250,747.34 × 101,130.36
  4. Step 4: Simplify right side
    181,702.80x = 25,358,168,763.24
  5. Step 5: Solve for x
    x = 25,358,168,763.24/181,702.80
  6. Step 6: Final answer
    x = 139,558.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.