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Finding the Fourth Proportional to 90,055.86, 124,292.52 and 52,351.98

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Solution

The fourth proportional to 90,055.86, 124,292.52 and 52,351.98 is: 72,254.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,055.86 : 124,292.52 = 52,351.98 : x
  2. Step 2: Convert to fraction form
    90,055.86/124,292.52 = 52,351.98/x
  3. Step 3: Cross multiply
    90,055.86x = 124,292.52 × 52,351.98
  4. Step 4: Simplify right side
    90,055.86x = 6,506,959,521.19
  5. Step 5: Solve for x
    x = 6,506,959,521.19/90,055.86
  6. Step 6: Final answer
    x = 72,254.70

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.