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Finding the Fourth Proportional to 219,097.68, 302,355 and 118,495.68

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Solution

The fourth proportional to 219,097.68, 302,355 and 118,495.68 is: 163,524.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,097.68 : 302,355 = 118,495.68 : x
  2. Step 2: Convert to fraction form
    219,097.68/302,355 = 118,495.68/x
  3. Step 3: Cross multiply
    219,097.68x = 302,355 × 118,495.68
  4. Step 4: Simplify right side
    219,097.68x = 35,827,761,326.40
  5. Step 5: Solve for x
    x = 35,827,761,326.40/219,097.68
  6. Step 6: Final answer
    x = 163,524.15

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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.