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Finding the Fourth Proportional to 216,653.84, 298,973.32 and 118,536.60

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Solution

The fourth proportional to 216,653.84, 298,973.32 and 118,536.60 is: 163,575.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,653.84 : 298,973.32 = 118,536.60 : x
  2. Step 2: Convert to fraction form
    216,653.84/298,973.32 = 118,536.60/x
  3. Step 3: Cross multiply
    216,653.84x = 298,973.32 × 118,536.60
  4. Step 4: Simplify right side
    216,653.84x = 35,439,280,843.51
  5. Step 5: Solve for x
    x = 35,439,280,843.51/216,653.84
  6. Step 6: Final answer
    x = 163,575.60

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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.