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Finding the Fourth Proportional to 230,055.12, 317,478.60 and 126,700.92

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Solution

The fourth proportional to 230,055.12, 317,478.60 and 126,700.92 is: 174,848.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,055.12 : 317,478.60 = 126,700.92 : x
  2. Step 2: Convert to fraction form
    230,055.12/317,478.60 = 126,700.92/x
  3. Step 3: Cross multiply
    230,055.12x = 317,478.60 × 126,700.92
  4. Step 4: Simplify right side
    230,055.12x = 40,224,830,700.31
  5. Step 5: Solve for x
    x = 40,224,830,700.31/230,055.12
  6. Step 6: Final answer
    x = 174,848.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.