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Finding the Fourth Proportional to 572,792.64, 859,123.08 and 152,102.40

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Solution

The fourth proportional to 572,792.64, 859,123.08 and 152,102.40 is: 228,136.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,792.64 : 859,123.08 = 152,102.40 : x
  2. Step 2: Convert to fraction form
    572,792.64/859,123.08 = 152,102.40/x
  3. Step 3: Cross multiply
    572,792.64x = 859,123.08 × 152,102.40
  4. Step 4: Simplify right side
    572,792.64x = 130,674,682,363.39
  5. Step 5: Solve for x
    x = 130,674,682,363.39/572,792.64
  6. Step 6: Final answer
    x = 228,136.11

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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.