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Finding the Fourth Proportional to 201,895,277.60, 302,842,916.40 and 65,594,439.20

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Solution

The fourth proportional to 201,895,277.60, 302,842,916.40 and 65,594,439.20 is: 98,391,658.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,895,277.60 : 302,842,916.40 = 65,594,439.20 : x
  2. Step 2: Convert to fraction form
    201,895,277.60/302,842,916.40 = 65,594,439.20/x
  3. Step 3: Cross multiply
    201,895,277.60x = 302,842,916.40 × 65,594,439.20
  4. Step 4: Simplify right side
    201,895,277.60x = 19,864,811,266,950,484
  5. Step 5: Solve for x
    x = 19,864,811,266,950,484/201,895,277.60
  6. Step 6: Final answer
    x = 98,391,658.80

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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.