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Finding the Fourth Proportional to 108,602,812.70, 162,904,219.05 and 96,698,534.30

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Solution

The fourth proportional to 108,602,812.70, 162,904,219.05 and 96,698,534.30 is: 145,047,801.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,602,812.70 : 162,904,219.05 = 96,698,534.30 : x
  2. Step 2: Convert to fraction form
    108,602,812.70/162,904,219.05 = 96,698,534.30/x
  3. Step 3: Cross multiply
    108,602,812.70x = 162,904,219.05 × 96,698,534.30
  4. Step 4: Simplify right side
    108,602,812.70x = 15,752,599,213,421,140
  5. Step 5: Solve for x
    x = 15,752,599,213,421,140/108,602,812.70
  6. Step 6: Final answer
    x = 145,047,801.45

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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.