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Finding the Fourth Proportional to 183,645.77, 253,455.84 and 103,077.68

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Solution

The fourth proportional to 183,645.77, 253,455.84 and 103,077.68 is: 142,261.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,645.77 : 253,455.84 = 103,077.68 : x
  2. Step 2: Convert to fraction form
    183,645.77/253,455.84 = 103,077.68/x
  3. Step 3: Cross multiply
    183,645.77x = 253,455.84 × 103,077.68
  4. Step 4: Simplify right side
    183,645.77x = 26,125,638,702.37
  5. Step 5: Solve for x
    x = 26,125,638,702.37/183,645.77
  6. Step 6: Final answer
    x = 142,261.05

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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.