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Finding the Fourth Proportional to 123,656.22, 185,482.32 and 39,415.26

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Solution

The fourth proportional to 123,656.22, 185,482.32 and 39,415.26 is: 59,122.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,656.22 : 185,482.32 = 39,415.26 : x
  2. Step 2: Convert to fraction form
    123,656.22/185,482.32 = 39,415.26/x
  3. Step 3: Cross multiply
    123,656.22x = 185,482.32 × 39,415.26
  4. Step 4: Simplify right side
    123,656.22x = 7,310,833,868.20
  5. Step 5: Solve for x
    x = 7,310,833,868.20/123,656.22
  6. Step 6: Final answer
    x = 59,122.25

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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.