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Finding the Fourth Proportional to 251,626.84, 377,673.54 and 127,055.32

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Solution

The fourth proportional to 251,626.84, 377,673.54 and 127,055.32 is: 190,700.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,626.84 : 377,673.54 = 127,055.32 : x
  2. Step 2: Convert to fraction form
    251,626.84/377,673.54 = 127,055.32/x
  3. Step 3: Cross multiply
    251,626.84x = 377,673.54 × 127,055.32
  4. Step 4: Simplify right side
    251,626.84x = 47,985,432,480.23
  5. Step 5: Solve for x
    x = 47,985,432,480.23/251,626.84
  6. Step 6: Final answer
    x = 190,700.77

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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.