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Finding the Fourth Proportional to 99,072,602.70, 148,608,904.05 and 92,695,310.70

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Solution

The fourth proportional to 99,072,602.70, 148,608,904.05 and 92,695,310.70 is: 139,042,966.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,072,602.70 : 148,608,904.05 = 92,695,310.70 : x
  2. Step 2: Convert to fraction form
    99,072,602.70/148,608,904.05 = 92,695,310.70/x
  3. Step 3: Cross multiply
    99,072,602.70x = 148,608,904.05 × 92,695,310.70
  4. Step 4: Simplify right side
    99,072,602.70x = 13,775,348,533,701,240
  5. Step 5: Solve for x
    x = 13,775,348,533,701,240/99,072,602.70
  6. Step 6: Final answer
    x = 139,042,966.05

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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.