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Finding the Fourth Proportional to 70,588.88, 97,387.80 and 43,703.36

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Solution

The fourth proportional to 70,588.88, 97,387.80 and 43,703.36 is: 60,295.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,588.88 : 97,387.80 = 43,703.36 : x
  2. Step 2: Convert to fraction form
    70,588.88/97,387.80 = 43,703.36/x
  3. Step 3: Cross multiply
    70,588.88x = 97,387.80 × 43,703.36
  4. Step 4: Simplify right side
    70,588.88x = 4,256,174,083.01
  5. Step 5: Solve for x
    x = 4,256,174,083.01/70,588.88
  6. Step 6: Final answer
    x = 60,295.25

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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.