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Finding the Fourth Proportional to 98,870.20, 148,305.30 and 97,833.40

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Solution

The fourth proportional to 98,870.20, 148,305.30 and 97,833.40 is: 146,750.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,870.20 : 148,305.30 = 97,833.40 : x
  2. Step 2: Convert to fraction form
    98,870.20/148,305.30 = 97,833.40/x
  3. Step 3: Cross multiply
    98,870.20x = 148,305.30 × 97,833.40
  4. Step 4: Simplify right side
    98,870.20x = 14,509,211,737.02
  5. Step 5: Solve for x
    x = 14,509,211,737.02/98,870.20
  6. Step 6: Final answer
    x = 146,750.10

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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.