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Finding the Fourth Proportional to 211,154.95, 316,752.53 and 59,351.63

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Solution

The fourth proportional to 211,154.95, 316,752.53 and 59,351.63 is: 89,033.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,154.95 : 316,752.53 = 59,351.63 : x
  2. Step 2: Convert to fraction form
    211,154.95/316,752.53 = 59,351.63/x
  3. Step 3: Cross multiply
    211,154.95x = 316,752.53 × 59,351.63
  4. Step 4: Simplify right side
    211,154.95x = 18,799,778,962.12
  5. Step 5: Solve for x
    x = 18,799,778,962.12/211,154.95
  6. Step 6: Final answer
    x = 89,033.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.