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Finding the Fourth Proportional to 216,842.60, 325,045.20 and 98,598.80

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Solution

The fourth proportional to 216,842.60, 325,045.20 and 98,598.80 is: 147,798.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,842.60 : 325,045.20 = 98,598.80 : x
  2. Step 2: Convert to fraction form
    216,842.60/325,045.20 = 98,598.80/x
  3. Step 3: Cross multiply
    216,842.60x = 325,045.20 × 98,598.80
  4. Step 4: Simplify right side
    216,842.60x = 32,049,066,665.76
  5. Step 5: Solve for x
    x = 32,049,066,665.76/216,842.60
  6. Step 6: Final answer
    x = 147,798.76

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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.