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Finding the Fourth Proportional to 160,247.83, 221,210.10 and 99,848.32

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Solution

The fourth proportional to 160,247.83, 221,210.10 and 99,848.32 is: 137,833.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,247.83 : 221,210.10 = 99,848.32 : x
  2. Step 2: Convert to fraction form
    160,247.83/221,210.10 = 99,848.32/x
  3. Step 3: Cross multiply
    160,247.83x = 221,210.10 × 99,848.32
  4. Step 4: Simplify right side
    160,247.83x = 22,087,456,852.03
  5. Step 5: Solve for x
    x = 22,087,456,852.03/160,247.83
  6. Step 6: Final answer
    x = 137,833.11

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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.