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Finding the Fourth Proportional to 364,748.34, 547,138.20 and 112,038.90

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Solution

The fourth proportional to 364,748.34, 547,138.20 and 112,038.90 is: 168,063.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,748.34 : 547,138.20 = 112,038.90 : x
  2. Step 2: Convert to fraction form
    364,748.34/547,138.20 = 112,038.90/x
  3. Step 3: Cross multiply
    364,748.34x = 547,138.20 × 112,038.90
  4. Step 4: Simplify right side
    364,748.34x = 61,300,762,075.98
  5. Step 5: Solve for x
    x = 61,300,762,075.98/364,748.34
  6. Step 6: Final answer
    x = 168,063.17

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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.