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Finding the Fourth Proportional to 93,224.69, 128,649.40 and 50,783.22

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Solution

The fourth proportional to 93,224.69, 128,649.40 and 50,783.22 is: 70,080.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,224.69 : 128,649.40 = 50,783.22 : x
  2. Step 2: Convert to fraction form
    93,224.69/128,649.40 = 50,783.22/x
  3. Step 3: Cross multiply
    93,224.69x = 128,649.40 × 50,783.22
  4. Step 4: Simplify right side
    93,224.69x = 6,533,230,656.11
  5. Step 5: Solve for x
    x = 6,533,230,656.11/93,224.69
  6. Step 6: Final answer
    x = 70,080.48

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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.