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Finding the Fourth Proportional to 219,070.64, 302,317.48 and 118,468.64

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Solution

The fourth proportional to 219,070.64, 302,317.48 and 118,468.64 is: 163,486.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,070.64 : 302,317.48 = 118,468.64 : x
  2. Step 2: Convert to fraction form
    219,070.64/302,317.48 = 118,468.64/x
  3. Step 3: Cross multiply
    219,070.64x = 302,317.48 × 118,468.64
  4. Step 4: Simplify right side
    219,070.64x = 35,815,140,703.83
  5. Step 5: Solve for x
    x = 35,815,140,703.83/219,070.64
  6. Step 6: Final answer
    x = 163,486.72

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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.