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Finding the Fourth Proportional to 93,480.69, 129,003.35 and 51,039.26

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Solution

The fourth proportional to 93,480.69, 129,003.35 and 51,039.26 is: 70,434.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,480.69 : 129,003.35 = 51,039.26 : x
  2. Step 2: Convert to fraction form
    93,480.69/129,003.35 = 51,039.26/x
  3. Step 3: Cross multiply
    93,480.69x = 129,003.35 × 51,039.26
  4. Step 4: Simplify right side
    93,480.69x = 6,584,234,621.31
  5. Step 5: Solve for x
    x = 6,584,234,621.31/93,480.69
  6. Step 6: Final answer
    x = 70,434.17

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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.