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Finding the Fourth Proportional to 237,534.40, 355,804.80 and 111,282.40

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Solution

The fourth proportional to 237,534.40, 355,804.80 and 111,282.40 is: 166,690.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,534.40 : 355,804.80 = 111,282.40 : x
  2. Step 2: Convert to fraction form
    237,534.40/355,804.80 = 111,282.40/x
  3. Step 3: Cross multiply
    237,534.40x = 355,804.80 × 111,282.40
  4. Step 4: Simplify right side
    237,534.40x = 39,594,812,075.52
  5. Step 5: Solve for x
    x = 39,594,812,075.52/237,534.40
  6. Step 6: Final answer
    x = 166,690.85

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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.