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Finding the Fourth Proportional to 565,525.50, 848,280.86 and 139,065.02

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Solution

The fourth proportional to 565,525.50, 848,280.86 and 139,065.02 is: 208,595.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,525.50 : 848,280.86 = 139,065.02 : x
  2. Step 2: Convert to fraction form
    565,525.50/848,280.86 = 139,065.02/x
  3. Step 3: Cross multiply
    565,525.50x = 848,280.86 × 139,065.02
  4. Step 4: Simplify right side
    565,525.50x = 117,966,189,824.79
  5. Step 5: Solve for x
    x = 117,966,189,824.79/565,525.50
  6. Step 6: Final answer
    x = 208,595.70

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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.