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Finding the Fourth Proportional to 98,853.80, 148,280.70 and 94,261.10

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Solution

The fourth proportional to 98,853.80, 148,280.70 and 94,261.10 is: 141,391.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,853.80 : 148,280.70 = 94,261.10 : x
  2. Step 2: Convert to fraction form
    98,853.80/148,280.70 = 94,261.10/x
  3. Step 3: Cross multiply
    98,853.80x = 148,280.70 × 94,261.10
  4. Step 4: Simplify right side
    98,853.80x = 13,977,101,890.77
  5. Step 5: Solve for x
    x = 13,977,101,890.77/98,853.80
  6. Step 6: Final answer
    x = 141,391.65

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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.