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Finding the Fourth Proportional to 93,388.84, 128,877.06 and 50,947.39

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Solution

The fourth proportional to 93,388.84, 128,877.06 and 50,947.39 is: 70,307.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,388.84 : 128,877.06 = 50,947.39 : x
  2. Step 2: Convert to fraction form
    93,388.84/128,877.06 = 50,947.39/x
  3. Step 3: Cross multiply
    93,388.84x = 128,877.06 × 50,947.39
  4. Step 4: Simplify right side
    93,388.84x = 6,565,949,837.87
  5. Step 5: Solve for x
    x = 6,565,949,837.87/93,388.84
  6. Step 6: Final answer
    x = 70,307.65

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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.