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Finding the Fourth Proportional to 64,219.80, 96,300.90 and 29,141.40

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Solution

The fourth proportional to 64,219.80, 96,300.90 and 29,141.40 is: 43,699.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,219.80 : 96,300.90 = 29,141.40 : x
  2. Step 2: Convert to fraction form
    64,219.80/96,300.90 = 29,141.40/x
  3. Step 3: Cross multiply
    64,219.80x = 96,300.90 × 29,141.40
  4. Step 4: Simplify right side
    64,219.80x = 2,806,343,047.26
  5. Step 5: Solve for x
    x = 2,806,343,047.26/64,219.80
  6. Step 6: Final answer
    x = 43,699.03

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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.