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Finding the Fourth Proportional to 293,088.40, 439,402.93 and 115,728.16

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Solution

The fourth proportional to 293,088.40, 439,402.93 and 115,728.16 is: 173,501.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,088.40 : 439,402.93 = 115,728.16 : x
  2. Step 2: Convert to fraction form
    293,088.40/439,402.93 = 115,728.16/x
  3. Step 3: Cross multiply
    293,088.40x = 439,402.93 × 115,728.16
  4. Step 4: Simplify right side
    293,088.40x = 50,851,293,801.29
  5. Step 5: Solve for x
    x = 50,851,293,801.29/293,088.40
  6. Step 6: Final answer
    x = 173,501.56

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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.