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Finding the Fourth Proportional to 153,119.77, 229,679.65 and 47,946.94

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Solution

The fourth proportional to 153,119.77, 229,679.65 and 47,946.94 is: 71,920.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,119.77 : 229,679.65 = 47,946.94 : x
  2. Step 2: Convert to fraction form
    153,119.77/229,679.65 = 47,946.94/x
  3. Step 3: Cross multiply
    153,119.77x = 229,679.65 × 47,946.94
  4. Step 4: Simplify right side
    153,119.77x = 11,012,435,883.51
  5. Step 5: Solve for x
    x = 11,012,435,883.51/153,119.77
  6. Step 6: Final answer
    x = 71,920.41

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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.