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Finding the Fourth Proportional to 43,834,678.84, 65,752,462.14 and 19,574,841.88

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Solution

The fourth proportional to 43,834,678.84, 65,752,462.14 and 19,574,841.88 is: 29,362,461.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,834,678.84 : 65,752,462.14 = 19,574,841.88 : x
  2. Step 2: Convert to fraction form
    43,834,678.84/65,752,462.14 = 19,574,841.88/x
  3. Step 3: Cross multiply
    43,834,678.84x = 65,752,462.14 × 19,574,841.88
  4. Step 4: Simplify right side
    43,834,678.84x = 1,287,094,049,611,186.25
  5. Step 5: Solve for x
    x = 1,287,094,049,611,186.25/43,834,678.84
  6. Step 6: Final answer
    x = 29,362,461.04

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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.