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Finding the Fourth Proportional to 201,874,567.80, 302,811,851.70 and 65,573,729.40

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Solution

The fourth proportional to 201,874,567.80, 302,811,851.70 and 65,573,729.40 is: 98,360,594.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,874,567.80 : 302,811,851.70 = 65,573,729.40 : x
  2. Step 2: Convert to fraction form
    201,874,567.80/302,811,851.70 = 65,573,729.40/x
  3. Step 3: Cross multiply
    201,874,567.80x = 302,811,851.70 × 65,573,729.40
  4. Step 4: Simplify right side
    201,874,567.80x = 19,856,502,422,488,728
  5. Step 5: Solve for x
    x = 19,856,502,422,488,728/201,874,567.80
  6. Step 6: Final answer
    x = 98,360,594.10

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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.