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Finding the Fourth Proportional to 180,423, 270,635.63 and 47,302.07

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Solution

The fourth proportional to 180,423, 270,635.63 and 47,302.07 is: 70,953.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,423 : 270,635.63 = 47,302.07 : x
  2. Step 2: Convert to fraction form
    180,423/270,635.63 = 47,302.07/x
  3. Step 3: Cross multiply
    180,423x = 270,635.63 × 47,302.07
  4. Step 4: Simplify right side
    180,423x = 12,801,623,925.07
  5. Step 5: Solve for x
    x = 12,801,623,925.07/180,423
  6. Step 6: Final answer
    x = 70,953.39

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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.