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Finding the Fourth Proportional to 158,437.80, 237,692.70 and 53,267.40

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Solution

The fourth proportional to 158,437.80, 237,692.70 and 53,267.40 is: 79,913.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,437.80 : 237,692.70 = 53,267.40 : x
  2. Step 2: Convert to fraction form
    158,437.80/237,692.70 = 53,267.40/x
  3. Step 3: Cross multiply
    158,437.80x = 237,692.70 × 53,267.40
  4. Step 4: Simplify right side
    158,437.80x = 12,661,272,127.98
  5. Step 5: Solve for x
    x = 12,661,272,127.98/158,437.80
  6. Step 6: Final answer
    x = 79,913.20

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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.