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Finding the Fourth Proportional to 93,362.55, 128,818.15 and 53,073.12

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Solution

The fourth proportional to 93,362.55, 128,818.15 and 53,073.12 is: 73,228.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,362.55 : 128,818.15 = 53,073.12 : x
  2. Step 2: Convert to fraction form
    93,362.55/128,818.15 = 53,073.12/x
  3. Step 3: Cross multiply
    93,362.55x = 128,818.15 × 53,073.12
  4. Step 4: Simplify right side
    93,362.55x = 6,836,781,133.13
  5. Step 5: Solve for x
    x = 6,836,781,133.13/93,362.55
  6. Step 6: Final answer
    x = 73,228.30

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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.