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Finding the Fourth Proportional to 188,410.10, 282,615.15 and 170,695.40

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Solution

The fourth proportional to 188,410.10, 282,615.15 and 170,695.40 is: 256,043.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,410.10 : 282,615.15 = 170,695.40 : x
  2. Step 2: Convert to fraction form
    188,410.10/282,615.15 = 170,695.40/x
  3. Step 3: Cross multiply
    188,410.10x = 282,615.15 × 170,695.40
  4. Step 4: Simplify right side
    188,410.10x = 48,241,106,075.31
  5. Step 5: Solve for x
    x = 48,241,106,075.31/188,410.10
  6. Step 6: Final answer
    x = 256,043.10

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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.