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Finding the Fourth Proportional to 145,050.01, 217,574.72 and 81,841.44

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Solution

The fourth proportional to 145,050.01, 217,574.72 and 81,841.44 is: 122,762.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,050.01 : 217,574.72 = 81,841.44 : x
  2. Step 2: Convert to fraction form
    145,050.01/217,574.72 = 81,841.44/x
  3. Step 3: Cross multiply
    145,050.01x = 217,574.72 × 81,841.44
  4. Step 4: Simplify right side
    145,050.01x = 17,806,629,106.00
  5. Step 5: Solve for x
    x = 17,806,629,106.00/145,050.01
  6. Step 6: Final answer
    x = 122,762.00

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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.