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Finding the Fourth Proportional to 134,490.90, 201,801.15 and 94,962.90

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Solution

The fourth proportional to 134,490.90, 201,801.15 and 94,962.90 is: 142,490.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,490.90 : 201,801.15 = 94,962.90 : x
  2. Step 2: Convert to fraction form
    134,490.90/201,801.15 = 94,962.90/x
  3. Step 3: Cross multiply
    134,490.90x = 201,801.15 × 94,962.90
  4. Step 4: Simplify right side
    134,490.90x = 19,163,622,427.34
  5. Step 5: Solve for x
    x = 19,163,622,427.34/134,490.90
  6. Step 6: Final answer
    x = 142,490.10

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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.