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Finding the Fourth Proportional to 93,275.64, 139,842.72 and 48,248.76

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Solution

The fourth proportional to 93,275.64, 139,842.72 and 48,248.76 is: 72,336.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,275.64 : 139,842.72 = 48,248.76 : x
  2. Step 2: Convert to fraction form
    93,275.64/139,842.72 = 48,248.76/x
  3. Step 3: Cross multiply
    93,275.64x = 139,842.72 × 48,248.76
  4. Step 4: Simplify right side
    93,275.64x = 6,747,237,835.03
  5. Step 5: Solve for x
    x = 6,747,237,835.03/93,275.64
  6. Step 6: Final answer
    x = 72,336.55

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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.