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Finding the Fourth Proportional to 292,150.56, 438,291.48 and 92,482.93

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Solution

The fourth proportional to 292,150.56, 438,291.48 and 92,482.93 is: 138,745.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,150.56 : 438,291.48 = 92,482.93 : x
  2. Step 2: Convert to fraction form
    292,150.56/438,291.48 = 92,482.93/x
  3. Step 3: Cross multiply
    292,150.56x = 438,291.48 × 92,482.93
  4. Step 4: Simplify right side
    292,150.56x = 40,534,478,072.98
  5. Step 5: Solve for x
    x = 40,534,478,072.98/292,150.56
  6. Step 6: Final answer
    x = 138,745.17

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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.