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Finding the Fourth Proportional to 164,670.30, 247,005.45 and 109,266.30

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Solution

The fourth proportional to 164,670.30, 247,005.45 and 109,266.30 is: 163,899.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,670.30 : 247,005.45 = 109,266.30 : x
  2. Step 2: Convert to fraction form
    164,670.30/247,005.45 = 109,266.30/x
  3. Step 3: Cross multiply
    164,670.30x = 247,005.45 × 109,266.30
  4. Step 4: Simplify right side
    164,670.30x = 26,989,371,601.34
  5. Step 5: Solve for x
    x = 26,989,371,601.34/164,670.30
  6. Step 6: Final answer
    x = 163,899.45

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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.