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Finding the Fourth Proportional to 91,646.48, 137,443.80 and 29,300.24

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Solution

The fourth proportional to 91,646.48, 137,443.80 and 29,300.24 is: 43,942.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,646.48 : 137,443.80 = 29,300.24 : x
  2. Step 2: Convert to fraction form
    91,646.48/137,443.80 = 29,300.24/x
  3. Step 3: Cross multiply
    91,646.48x = 137,443.80 × 29,300.24
  4. Step 4: Simplify right side
    91,646.48x = 4,027,136,326.51
  5. Step 5: Solve for x
    x = 4,027,136,326.51/91,646.48
  6. Step 6: Final answer
    x = 43,942.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.