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Finding the Fourth Proportional to 134,423.90, 201,700.65 and 94,895.90

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Solution

The fourth proportional to 134,423.90, 201,700.65 and 94,895.90 is: 142,389.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,423.90 : 201,700.65 = 94,895.90 : x
  2. Step 2: Convert to fraction form
    134,423.90/201,700.65 = 94,895.90/x
  3. Step 3: Cross multiply
    134,423.90x = 201,700.65 × 94,895.90
  4. Step 4: Simplify right side
    134,423.90x = 19,140,564,712.34
  5. Step 5: Solve for x
    x = 19,140,564,712.34/134,423.90
  6. Step 6: Final answer
    x = 142,389.60

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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.