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Finding the Fourth Proportional to 99,702,944.65, 149,554,416.98 and 99,702,944.65

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Solution

The fourth proportional to 99,702,944.65, 149,554,416.98 and 99,702,944.65 is: 149,554,416.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,702,944.65 : 149,554,416.98 = 99,702,944.65 : x
  2. Step 2: Convert to fraction form
    99,702,944.65/149,554,416.98 = 99,702,944.65/x
  3. Step 3: Cross multiply
    99,702,944.65x = 149,554,416.98 × 99,702,944.65
  4. Step 4: Simplify right side
    99,702,944.65x = 14,911,015,758,319,960
  5. Step 5: Solve for x
    x = 14,911,015,758,319,960/99,702,944.65
  6. Step 6: Final answer
    x = 149,554,416.98

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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.