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Finding the Fourth Proportional to 286,033.55, 429,114.11 and 93,916.53

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Solution

The fourth proportional to 286,033.55, 429,114.11 and 93,916.53 is: 140,895.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,033.55 : 429,114.11 = 93,916.53 : x
  2. Step 2: Convert to fraction form
    286,033.55/429,114.11 = 93,916.53/x
  3. Step 3: Cross multiply
    286,033.55x = 429,114.11 × 93,916.53
  4. Step 4: Simplify right side
    286,033.55x = 40,300,907,715.66
  5. Step 5: Solve for x
    x = 40,300,907,715.66/286,033.55
  6. Step 6: Final answer
    x = 140,895.74

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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.