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Finding the Fourth Proportional to 201,808,898.10, 282,723,776.10 and 201,808,898.10

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Solution

The fourth proportional to 201,808,898.10, 282,723,776.10 and 201,808,898.10 is: 282,723,776.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,808,898.10 : 282,723,776.10 = 201,808,898.10 : x
  2. Step 2: Convert to fraction form
    201,808,898.10/282,723,776.10 = 201,808,898.10/x
  3. Step 3: Cross multiply
    201,808,898.10x = 282,723,776.10 × 201,808,898.10
  4. Step 4: Simplify right side
    201,808,898.10x = 57,056,173,721,412,120
  5. Step 5: Solve for x
    x = 57,056,173,721,412,120/201,808,898.10
  6. Step 6: Final answer
    x = 282,723,776.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.