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Finding the Fourth Proportional to 425,038.67, 637,682.04 and 158,737.93

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Solution

The fourth proportional to 425,038.67, 637,682.04 and 158,737.93 is: 238,153.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,038.67 : 637,682.04 = 158,737.93 : x
  2. Step 2: Convert to fraction form
    425,038.67/637,682.04 = 158,737.93/x
  3. Step 3: Cross multiply
    425,038.67x = 637,682.04 × 158,737.93
  4. Step 4: Simplify right side
    425,038.67x = 101,224,325,880.02
  5. Step 5: Solve for x
    x = 101,224,325,880.02/425,038.67
  6. Step 6: Final answer
    x = 238,153.22

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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.