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Finding the Fourth Proportional to 243,911.07, 365,866.61 and 160,785.63

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Solution

The fourth proportional to 243,911.07, 365,866.61 and 160,785.63 is: 241,178.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,911.07 : 365,866.61 = 160,785.63 : x
  2. Step 2: Convert to fraction form
    243,911.07/365,866.61 = 160,785.63/x
  3. Step 3: Cross multiply
    243,911.07x = 365,866.61 × 160,785.63
  4. Step 4: Simplify right side
    243,911.07x = 58,826,092,580.89
  5. Step 5: Solve for x
    x = 58,826,092,580.89/243,911.07
  6. Step 6: Final answer
    x = 241,178.45

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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.