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Finding the Fourth Proportional to 93,357.26, 128,844.09 and 53,077.10

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Solution

The fourth proportional to 93,357.26, 128,844.09 and 53,077.10 is: 73,252.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,357.26 : 128,844.09 = 53,077.10 : x
  2. Step 2: Convert to fraction form
    93,357.26/128,844.09 = 53,077.10/x
  3. Step 3: Cross multiply
    93,357.26x = 128,844.09 × 53,077.10
  4. Step 4: Simplify right side
    93,357.26x = 6,838,670,649.34
  5. Step 5: Solve for x
    x = 6,838,670,649.34/93,357.26
  6. Step 6: Final answer
    x = 73,252.69

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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.