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Finding the Fourth Proportional to 93,316.40, 139,891.72 and 36,377.18

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Solution

The fourth proportional to 93,316.40, 139,891.72 and 36,377.18 is: 54,533.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,316.40 : 139,891.72 = 36,377.18 : x
  2. Step 2: Convert to fraction form
    93,316.40/139,891.72 = 36,377.18/x
  3. Step 3: Cross multiply
    93,316.40x = 139,891.72 × 36,377.18
  4. Step 4: Simplify right side
    93,316.40x = 5,088,866,278.95
  5. Step 5: Solve for x
    x = 5,088,866,278.95/93,316.40
  6. Step 6: Final answer
    x = 54,533.46

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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.