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Finding the Fourth Proportional to 292,496, 438,744.06 and 105,507.48

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Solution

The fourth proportional to 292,496, 438,744.06 and 105,507.48 is: 158,261.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,496 : 438,744.06 = 105,507.48 : x
  2. Step 2: Convert to fraction form
    292,496/438,744.06 = 105,507.48/x
  3. Step 3: Cross multiply
    292,496x = 438,744.06 × 105,507.48
  4. Step 4: Simplify right side
    292,496x = 46,290,780,135.57
  5. Step 5: Solve for x
    x = 46,290,780,135.57/292,496
  6. Step 6: Final answer
    x = 158,261.24

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.