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Finding the Fourth Proportional to 91,094.94, 136,684.62 and 34,916.28

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Solution

The fourth proportional to 91,094.94, 136,684.62 and 34,916.28 is: 52,390.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,094.94 : 136,684.62 = 34,916.28 : x
  2. Step 2: Convert to fraction form
    91,094.94/136,684.62 = 34,916.28/x
  3. Step 3: Cross multiply
    91,094.94x = 136,684.62 × 34,916.28
  4. Step 4: Simplify right side
    91,094.94x = 4,772,518,463.61
  5. Step 5: Solve for x
    x = 4,772,518,463.61/91,094.94
  6. Step 6: Final answer
    x = 52,390.60

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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.