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Finding the Fourth Proportional to 164,029.61, 245,145.66 and 119,749.61

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Solution

The fourth proportional to 164,029.61, 245,145.66 and 119,749.61 is: 178,968.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,029.61 : 245,145.66 = 119,749.61 : x
  2. Step 2: Convert to fraction form
    164,029.61/245,145.66 = 119,749.61/x
  3. Step 3: Cross multiply
    164,029.61x = 245,145.66 × 119,749.61
  4. Step 4: Simplify right side
    164,029.61x = 29,356,095,952.46
  5. Step 5: Solve for x
    x = 29,356,095,952.46/164,029.61
  6. Step 6: Final answer
    x = 178,968.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.