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Finding the Fourth Proportional to 93,043.62, 128,371.23 and 52,754.22

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Solution

The fourth proportional to 93,043.62, 128,371.23 and 52,754.22 is: 72,784.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,043.62 : 128,371.23 = 52,754.22 : x
  2. Step 2: Convert to fraction form
    93,043.62/128,371.23 = 52,754.22/x
  3. Step 3: Cross multiply
    93,043.62x = 128,371.23 × 52,754.22
  4. Step 4: Simplify right side
    93,043.62x = 6,772,124,109.09
  5. Step 5: Solve for x
    x = 6,772,124,109.09/93,043.62
  6. Step 6: Final answer
    x = 72,784.40

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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.