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Finding the Fourth Proportional to 133,044.70, 199,567.05 and 69,840.40

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Solution

The fourth proportional to 133,044.70, 199,567.05 and 69,840.40 is: 104,760.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,044.70 : 199,567.05 = 69,840.40 : x
  2. Step 2: Convert to fraction form
    133,044.70/199,567.05 = 69,840.40/x
  3. Step 3: Cross multiply
    133,044.70x = 199,567.05 × 69,840.40
  4. Step 4: Simplify right side
    133,044.70x = 13,937,842,598.82
  5. Step 5: Solve for x
    x = 13,937,842,598.82/133,044.70
  6. Step 6: Final answer
    x = 104,760.60

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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.