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Finding the Fourth Proportional to 201,525.60, 302,482.80 and 101,798.40

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Solution

The fourth proportional to 201,525.60, 302,482.80 and 101,798.40 is: 152,795.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,525.60 : 302,482.80 = 101,798.40 : x
  2. Step 2: Convert to fraction form
    201,525.60/302,482.80 = 101,798.40/x
  3. Step 3: Cross multiply
    201,525.60x = 302,482.80 × 101,798.40
  4. Step 4: Simplify right side
    201,525.60x = 30,792,265,067.52
  5. Step 5: Solve for x
    x = 30,792,265,067.52/201,525.60
  6. Step 6: Final answer
    x = 152,795.80

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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.