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Finding the Fourth Proportional to 251,702.90, 377,464.44 and 83,192.12

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Solution

The fourth proportional to 251,702.90, 377,464.44 and 83,192.12 is: 124,758.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,702.90 : 377,464.44 = 83,192.12 : x
  2. Step 2: Convert to fraction form
    251,702.90/377,464.44 = 83,192.12/x
  3. Step 3: Cross multiply
    251,702.90x = 377,464.44 × 83,192.12
  4. Step 4: Simplify right side
    251,702.90x = 31,402,066,988.21
  5. Step 5: Solve for x
    x = 31,402,066,988.21/251,702.90
  6. Step 6: Final answer
    x = 124,758.46

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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.