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Finding the Fourth Proportional to 130,398,907.80, 195,598,361.70 and 97,874,718.60

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Solution

The fourth proportional to 130,398,907.80, 195,598,361.70 and 97,874,718.60 is: 146,812,077.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,398,907.80 : 195,598,361.70 = 97,874,718.60 : x
  2. Step 2: Convert to fraction form
    130,398,907.80/195,598,361.70 = 97,874,718.60/x
  3. Step 3: Cross multiply
    130,398,907.80x = 195,598,361.70 × 97,874,718.60
  4. Step 4: Simplify right side
    130,398,907.80x = 19,144,134,610,008,516
  5. Step 5: Solve for x
    x = 19,144,134,610,008,516/130,398,907.80
  6. Step 6: Final answer
    x = 146,812,077.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.