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Finding the Fourth Proportional to 117,492.94, 176,242.87 and 28,746.46

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Solution

The fourth proportional to 117,492.94, 176,242.87 and 28,746.46 is: 43,120.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,492.94 : 176,242.87 = 28,746.46 : x
  2. Step 2: Convert to fraction form
    117,492.94/176,242.87 = 28,746.46/x
  3. Step 3: Cross multiply
    117,492.94x = 176,242.87 × 28,746.46
  4. Step 4: Simplify right side
    117,492.94x = 5,066,358,612.74
  5. Step 5: Solve for x
    x = 5,066,358,612.74/117,492.94
  6. Step 6: Final answer
    x = 43,120.54

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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.