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Finding the Fourth Proportional to 250,030.69, 345,005.26 and 151,862.88

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Solution

The fourth proportional to 250,030.69, 345,005.26 and 151,862.88 is: 209,548.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,030.69 : 345,005.26 = 151,862.88 : x
  2. Step 2: Convert to fraction form
    250,030.69/345,005.26 = 151,862.88/x
  3. Step 3: Cross multiply
    250,030.69x = 345,005.26 × 151,862.88
  4. Step 4: Simplify right side
    250,030.69x = 52,393,492,398.75
  5. Step 5: Solve for x
    x = 52,393,492,398.75/250,030.69
  6. Step 6: Final answer
    x = 209,548.25

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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.