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Finding the Fourth Proportional to 98,675.60, 148,013.40 and 97,800.80

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Solution

The fourth proportional to 98,675.60, 148,013.40 and 97,800.80 is: 146,701.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,675.60 : 148,013.40 = 97,800.80 : x
  2. Step 2: Convert to fraction form
    98,675.60/148,013.40 = 97,800.80/x
  3. Step 3: Cross multiply
    98,675.60x = 148,013.40 × 97,800.80
  4. Step 4: Simplify right side
    98,675.60x = 14,475,828,930.72
  5. Step 5: Solve for x
    x = 14,475,828,930.72/98,675.60
  6. Step 6: Final answer
    x = 146,701.20

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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.