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Finding the Fourth Proportional to 98,869,999.60, 148,304,999.40 and 58,459,682.80

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Solution

The fourth proportional to 98,869,999.60, 148,304,999.40 and 58,459,682.80 is: 87,689,524.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,869,999.60 : 148,304,999.40 = 58,459,682.80 : x
  2. Step 2: Convert to fraction form
    98,869,999.60/148,304,999.40 = 58,459,682.80/x
  3. Step 3: Cross multiply
    98,869,999.60x = 148,304,999.40 × 58,459,682.80
  4. Step 4: Simplify right side
    98,869,999.60x = 8,669,863,222,578,190
  5. Step 5: Solve for x
    x = 8,669,863,222,578,190/98,869,999.60
  6. Step 6: Final answer
    x = 87,689,524.20

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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.