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Finding the Fourth Proportional to 219,400.48, 302,772.88 and 118,798.24

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Solution

The fourth proportional to 219,400.48, 302,772.88 and 118,798.24 is: 163,941.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,400.48 : 302,772.88 = 118,798.24 : x
  2. Step 2: Convert to fraction form
    219,400.48/302,772.88 = 118,798.24/x
  3. Step 3: Cross multiply
    219,400.48x = 302,772.88 × 118,798.24
  4. Step 4: Simplify right side
    219,400.48x = 35,968,885,263.73
  5. Step 5: Solve for x
    x = 35,968,885,263.73/219,400.48
  6. Step 6: Final answer
    x = 163,941.69

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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.