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Finding the Fourth Proportional to 163,905,502.80, 245,870,695.80 and 48,881,067.60

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Solution

The fourth proportional to 163,905,502.80, 245,870,695.80 and 48,881,067.60 is: 73,325,311.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,905,502.80 : 245,870,695.80 = 48,881,067.60 : x
  2. Step 2: Convert to fraction form
    163,905,502.80/245,870,695.80 = 48,881,067.60/x
  3. Step 3: Cross multiply
    163,905,502.80x = 245,870,695.80 × 48,881,067.60
  4. Step 4: Simplify right side
    163,905,502.80x = 12,018,422,102,258,838
  5. Step 5: Solve for x
    x = 12,018,422,102,258,838/163,905,502.80
  6. Step 6: Final answer
    x = 73,325,311.82

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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.