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Finding the Fourth Proportional to 117,509.66, 176,089.47 and 64,934.18

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Solution

The fourth proportional to 117,509.66, 176,089.47 and 64,934.18 is: 97,304.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,509.66 : 176,089.47 = 64,934.18 : x
  2. Step 2: Convert to fraction form
    117,509.66/176,089.47 = 64,934.18/x
  3. Step 3: Cross multiply
    117,509.66x = 176,089.47 × 64,934.18
  4. Step 4: Simplify right side
    117,509.66x = 11,434,225,341.08
  5. Step 5: Solve for x
    x = 11,434,225,341.08/117,509.66
  6. Step 6: Final answer
    x = 97,304.56

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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.