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Finding the Fourth Proportional to 141,041.70, 211,427.70 and 52,271.40

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Solution

The fourth proportional to 141,041.70, 211,427.70 and 52,271.40 is: 78,357.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,041.70 : 211,427.70 = 52,271.40 : x
  2. Step 2: Convert to fraction form
    141,041.70/211,427.70 = 52,271.40/x
  3. Step 3: Cross multiply
    141,041.70x = 211,427.70 × 52,271.40
  4. Step 4: Simplify right side
    141,041.70x = 11,051,621,877.78
  5. Step 5: Solve for x
    x = 11,051,621,877.78/141,041.70
  6. Step 6: Final answer
    x = 78,357.12

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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.