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Finding the Fourth Proportional to 160,464.59, 221,444.58 and 87,870.54

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Solution

The fourth proportional to 160,464.59, 221,444.58 and 87,870.54 is: 121,263.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,464.59 : 221,444.58 = 87,870.54 : x
  2. Step 2: Convert to fraction form
    160,464.59/221,444.58 = 87,870.54/x
  3. Step 3: Cross multiply
    160,464.59x = 221,444.58 × 87,870.54
  4. Step 4: Simplify right side
    160,464.59x = 19,458,454,824.67
  5. Step 5: Solve for x
    x = 19,458,454,824.67/160,464.59
  6. Step 6: Final answer
    x = 121,263.24

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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.