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Finding the Fourth Proportional to 101,060,978.40, 151,308,032.40 and 98,226,626.40

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Solution

The fourth proportional to 101,060,978.40, 151,308,032.40 and 98,226,626.40 is: 147,064,453.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,060,978.40 : 151,308,032.40 = 98,226,626.40 : x
  2. Step 2: Convert to fraction form
    101,060,978.40/151,308,032.40 = 98,226,626.40/x
  3. Step 3: Cross multiply
    101,060,978.40x = 151,308,032.40 × 98,226,626.40
  4. Step 4: Simplify right side
    101,060,978.40x = 14,862,477,569,873,896
  5. Step 5: Solve for x
    x = 14,862,477,569,873,896/101,060,978.40
  6. Step 6: Final answer
    x = 147,064,453.61

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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.