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Finding the Fourth Proportional to 64,704,912.60, 97,057,368.90 and 50,249,717.40

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Solution

The fourth proportional to 64,704,912.60, 97,057,368.90 and 50,249,717.40 is: 75,374,576.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,704,912.60 : 97,057,368.90 = 50,249,717.40 : x
  2. Step 2: Convert to fraction form
    64,704,912.60/97,057,368.90 = 50,249,717.40/x
  3. Step 3: Cross multiply
    64,704,912.60x = 97,057,368.90 × 50,249,717.40
  4. Step 4: Simplify right side
    64,704,912.60x = 4,877,105,358,812,549
  5. Step 5: Solve for x
    x = 4,877,105,358,812,549/64,704,912.60
  6. Step 6: Final answer
    x = 75,374,576.10

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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.