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Finding the Fourth Proportional to 224,038.98, 335,268.72 and 139,838.67

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Solution

The fourth proportional to 224,038.98, 335,268.72 and 139,838.67 is: 209,265.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,038.98 : 335,268.72 = 139,838.67 : x
  2. Step 2: Convert to fraction form
    224,038.98/335,268.72 = 139,838.67/x
  3. Step 3: Cross multiply
    224,038.98x = 335,268.72 × 139,838.67
  4. Step 4: Simplify right side
    224,038.98x = 46,883,531,897.40
  5. Step 5: Solve for x
    x = 46,883,531,897.40/224,038.98
  6. Step 6: Final answer
    x = 209,265.07

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1.5x scale

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.