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Finding the Fourth Proportional to 160,264.51, 221,168.81 and 88,645.93

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Solution

The fourth proportional to 160,264.51, 221,168.81 and 88,645.93 is: 122,333.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,264.51 : 221,168.81 = 88,645.93 : x
  2. Step 2: Convert to fraction form
    160,264.51/221,168.81 = 88,645.93/x
  3. Step 3: Cross multiply
    160,264.51x = 221,168.81 × 88,645.93
  4. Step 4: Simplify right side
    160,264.51x = 19,605,714,518.14
  5. Step 5: Solve for x
    x = 19,605,714,518.14/160,264.51
  6. Step 6: Final answer
    x = 122,333.48

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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.