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Finding the Fourth Proportional to 82,948,273.60, 124,441,072.80 and 48,852,068.80

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Solution

The fourth proportional to 82,948,273.60, 124,441,072.80 and 48,852,068.80 is: 73,289,094.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,948,273.60 : 124,441,072.80 = 48,852,068.80 : x
  2. Step 2: Convert to fraction form
    82,948,273.60/124,441,072.80 = 48,852,068.80/x
  3. Step 3: Cross multiply
    82,948,273.60x = 124,441,072.80 × 48,852,068.80
  4. Step 4: Simplify right side
    82,948,273.60x = 6,079,203,849,971,408
  5. Step 5: Solve for x
    x = 6,079,203,849,971,408/82,948,273.60
  6. Step 6: Final answer
    x = 73,289,094.35

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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.