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Finding the Fourth Proportional to 93,252.32, 128,689.64 and 50,810.80

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Solution

The fourth proportional to 93,252.32, 128,689.64 and 50,810.80 is: 70,119.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,252.32 : 128,689.64 = 50,810.80 : x
  2. Step 2: Convert to fraction form
    93,252.32/128,689.64 = 50,810.80/x
  3. Step 3: Cross multiply
    93,252.32x = 128,689.64 × 50,810.80
  4. Step 4: Simplify right side
    93,252.32x = 6,538,823,560.11
  5. Step 5: Solve for x
    x = 6,538,823,560.11/93,252.32
  6. Step 6: Final answer
    x = 70,119.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.