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Finding the Fourth Proportional to 219,455.39, 302,848.46 and 118,853.39

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Solution

The fourth proportional to 219,455.39, 302,848.46 and 118,853.39 is: 164,017.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,455.39 : 302,848.46 = 118,853.39 : x
  2. Step 2: Convert to fraction form
    219,455.39/302,848.46 = 118,853.39/x
  3. Step 3: Cross multiply
    219,455.39x = 302,848.46 × 118,853.39
  4. Step 4: Simplify right side
    219,455.39x = 35,994,564,018.77
  5. Step 5: Solve for x
    x = 35,994,564,018.77/219,455.39
  6. Step 6: Final answer
    x = 164,017.68

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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.