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Finding the Fourth Proportional to 89,893.95, 134,841.02 and 30,730.11

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Solution

The fourth proportional to 89,893.95, 134,841.02 and 30,730.11 is: 46,095.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,893.95 : 134,841.02 = 30,730.11 : x
  2. Step 2: Convert to fraction form
    89,893.95/134,841.02 = 30,730.11/x
  3. Step 3: Cross multiply
    89,893.95x = 134,841.02 × 30,730.11
  4. Step 4: Simplify right side
    89,893.95x = 4,143,679,223.46
  5. Step 5: Solve for x
    x = 4,143,679,223.46/89,893.95
  6. Step 6: Final answer
    x = 46,095.20

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1.5x scale

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.