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Finding the Fourth Proportional to 216,981.58, 299,281.00 and 186,714.71

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Solution

The fourth proportional to 216,981.58, 299,281.00 and 186,714.71 is: 257,534.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,981.58 : 299,281.00 = 186,714.71 : x
  2. Step 2: Convert to fraction form
    216,981.58/299,281.00 = 186,714.71/x
  3. Step 3: Cross multiply
    216,981.58x = 299,281.00 × 186,714.71
  4. Step 4: Simplify right side
    216,981.58x = 55,880,164,656.72
  5. Step 5: Solve for x
    x = 55,880,164,656.72/216,981.58
  6. Step 6: Final answer
    x = 257,534.15

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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.