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Finding the Fourth Proportional to 101,064,368.80, 151,596,553.20 and 40,523,543.20

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Solution

The fourth proportional to 101,064,368.80, 151,596,553.20 and 40,523,543.20 is: 60,785,314.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,064,368.80 : 151,596,553.20 = 40,523,543.20 : x
  2. Step 2: Convert to fraction form
    101,064,368.80/151,596,553.20 = 40,523,543.20/x
  3. Step 3: Cross multiply
    101,064,368.80x = 151,596,553.20 × 40,523,543.20
  4. Step 4: Simplify right side
    101,064,368.80x = 6,143,229,472,571,298
  5. Step 5: Solve for x
    x = 6,143,229,472,571,298/101,064,368.80
  6. Step 6: Final answer
    x = 60,785,314.80

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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.