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Finding the Fourth Proportional to 93,306.60, 139,959.90 and 30,977.10

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Solution

The fourth proportional to 93,306.60, 139,959.90 and 30,977.10 is: 46,465.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,306.60 : 139,959.90 = 30,977.10 : x
  2. Step 2: Convert to fraction form
    93,306.60/139,959.90 = 30,977.10/x
  3. Step 3: Cross multiply
    93,306.60x = 139,959.90 × 30,977.10
  4. Step 4: Simplify right side
    93,306.60x = 4,335,551,663.40
  5. Step 5: Solve for x
    x = 4,335,551,663.40/93,306.60
  6. Step 6: Final answer
    x = 46,465.65

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Similar ratio
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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.