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Finding the Fourth Proportional to 93,881.52, 129,556.48 and 56,164.64

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Solution

The fourth proportional to 93,881.52, 129,556.48 and 56,164.64 is: 77,507.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,881.52 : 129,556.48 = 56,164.64 : x
  2. Step 2: Convert to fraction form
    93,881.52/129,556.48 = 56,164.64/x
  3. Step 3: Cross multiply
    93,881.52x = 129,556.48 × 56,164.64
  4. Step 4: Simplify right side
    93,881.52x = 7,276,493,058.87
  5. Step 5: Solve for x
    x = 7,276,493,058.87/93,881.52
  6. Step 6: Final answer
    x = 77,507.19

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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.