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Finding the Fourth Proportional to 152,469.25, 210,407.57 and 92,853.25

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Solution

The fourth proportional to 152,469.25, 210,407.57 and 92,853.25 is: 128,137.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,469.25 : 210,407.57 = 92,853.25 : x
  2. Step 2: Convert to fraction form
    152,469.25/210,407.57 = 92,853.25/x
  3. Step 3: Cross multiply
    152,469.25x = 210,407.57 × 92,853.25
  4. Step 4: Simplify right side
    152,469.25x = 19,537,026,699.10
  5. Step 5: Solve for x
    x = 19,537,026,699.10/152,469.25
  6. Step 6: Final answer
    x = 128,137.49

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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.