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Finding the Fourth Proportional to 101,064,391.80, 151,596,587.70 and 40,523,566.20

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Solution

The fourth proportional to 101,064,391.80, 151,596,587.70 and 40,523,566.20 is: 60,785,349.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,064,391.80 : 151,596,587.70 = 40,523,566.20 : x
  2. Step 2: Convert to fraction form
    101,064,391.80/151,596,587.70 = 40,523,566.20/x
  3. Step 3: Cross multiply
    101,064,391.80x = 151,596,587.70 × 40,523,566.20
  4. Step 4: Simplify right side
    101,064,391.80x = 6,143,234,357,355,056
  5. Step 5: Solve for x
    x = 6,143,234,357,355,056/101,064,391.80
  6. Step 6: Final answer
    x = 60,785,349.30

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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.