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Finding the Fourth Proportional to 201,950.40, 302,925.60 and 96,715.20

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Solution

The fourth proportional to 201,950.40, 302,925.60 and 96,715.20 is: 145,072.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,950.40 : 302,925.60 = 96,715.20 : x
  2. Step 2: Convert to fraction form
    201,950.40/302,925.60 = 96,715.20/x
  3. Step 3: Cross multiply
    201,950.40x = 302,925.60 × 96,715.20
  4. Step 4: Simplify right side
    201,950.40x = 29,297,509,989.12
  5. Step 5: Solve for x
    x = 29,297,509,989.12/201,950.40
  6. Step 6: Final answer
    x = 145,072.80

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1.5x scale

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.