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Finding the Fourth Proportional to 93,552.28, 128,935.14 and 70,837

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Solution

The fourth proportional to 93,552.28, 128,935.14 and 70,837 is: 97,628.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,552.28 : 128,935.14 = 70,837 : x
  2. Step 2: Convert to fraction form
    93,552.28/128,935.14 = 70,837/x
  3. Step 3: Cross multiply
    93,552.28x = 128,935.14 × 70,837
  4. Step 4: Simplify right side
    93,552.28x = 9,133,378,512.18
  5. Step 5: Solve for x
    x = 9,133,378,512.18/93,552.28
  6. Step 6: Final answer
    x = 97,628.60

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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.