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Finding the Fourth Proportional to 173,731.04, 239,945.28 and 117,044

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Solution

The fourth proportional to 173,731.04, 239,945.28 and 117,044 is: 161,653.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,731.04 : 239,945.28 = 117,044 : x
  2. Step 2: Convert to fraction form
    173,731.04/239,945.28 = 117,044/x
  3. Step 3: Cross multiply
    173,731.04x = 239,945.28 × 117,044
  4. Step 4: Simplify right side
    173,731.04x = 28,084,155,352.32
  5. Step 5: Solve for x
    x = 28,084,155,352.32/173,731.04
  6. Step 6: Final answer
    x = 161,653.07

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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.