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Finding the Fourth Proportional to 145,437,967.10, 218,156,950.65 and 145,437,967.10

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Solution

The fourth proportional to 145,437,967.10, 218,156,950.65 and 145,437,967.10 is: 218,156,950.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,437,967.10 : 218,156,950.65 = 145,437,967.10 : x
  2. Step 2: Convert to fraction form
    145,437,967.10/218,156,950.65 = 145,437,967.10/x
  3. Step 3: Cross multiply
    145,437,967.10x = 218,156,950.65 × 145,437,967.10
  4. Step 4: Simplify right side
    145,437,967.10x = 31,728,303,411,271,024
  5. Step 5: Solve for x
    x = 31,728,303,411,271,024/145,437,967.10
  6. Step 6: Final answer
    x = 218,156,950.65

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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.