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Finding the Fourth Proportional to 45,506,502.70, 68,259,754.05 and 45,506,502.70

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Solution

The fourth proportional to 45,506,502.70, 68,259,754.05 and 45,506,502.70 is: 68,259,754.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,506,502.70 : 68,259,754.05 = 45,506,502.70 : x
  2. Step 2: Convert to fraction form
    45,506,502.70/68,259,754.05 = 45,506,502.70/x
  3. Step 3: Cross multiply
    45,506,502.70x = 68,259,754.05 × 45,506,502.70
  4. Step 4: Simplify right side
    45,506,502.70x = 3,106,262,681,977,661
  5. Step 5: Solve for x
    x = 3,106,262,681,977,661/45,506,502.70
  6. Step 6: Final answer
    x = 68,259,754.05

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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.