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Finding the Fourth Proportional to 101,376,468.80, 152,027,378.40 and 50,241,492.80

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Solution

The fourth proportional to 101,376,468.80, 152,027,378.40 and 50,241,492.80 is: 75,343,741.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,376,468.80 : 152,027,378.40 = 50,241,492.80 : x
  2. Step 2: Convert to fraction form
    101,376,468.80/152,027,378.40 = 50,241,492.80/x
  3. Step 3: Cross multiply
    101,376,468.80x = 152,027,378.40 × 50,241,492.80
  4. Step 4: Simplify right side
    101,376,468.80x = 7,638,082,437,286,475
  5. Step 5: Solve for x
    x = 7,638,082,437,286,475/101,376,468.80
  6. Step 6: Final answer
    x = 75,343,741.28

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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.