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Finding the Fourth Proportional to 93,509.76, 140,267.52 and 40,892.16

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Solution

The fourth proportional to 93,509.76, 140,267.52 and 40,892.16 is: 61,339.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,509.76 : 140,267.52 = 40,892.16 : x
  2. Step 2: Convert to fraction form
    93,509.76/140,267.52 = 40,892.16/x
  3. Step 3: Cross multiply
    93,509.76x = 140,267.52 × 40,892.16
  4. Step 4: Simplify right side
    93,509.76x = 5,735,841,870.64
  5. Step 5: Solve for x
    x = 5,735,841,870.64/93,509.76
  6. Step 6: Final answer
    x = 61,339.50

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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.