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Finding the Fourth Proportional to 201,354.60, 302,075.10 and 61,127.40

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Solution

The fourth proportional to 201,354.60, 302,075.10 and 61,127.40 is: 91,704.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,354.60 : 302,075.10 = 61,127.40 : x
  2. Step 2: Convert to fraction form
    201,354.60/302,075.10 = 61,127.40/x
  3. Step 3: Cross multiply
    201,354.60x = 302,075.10 × 61,127.40
  4. Step 4: Simplify right side
    201,354.60x = 18,465,065,467.74
  5. Step 5: Solve for x
    x = 18,465,065,467.74/201,354.60
  6. Step 6: Final answer
    x = 91,704.21

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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.