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Finding the Fourth Proportional to 114,225.71, 157,714.63 and 91,688.67

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Solution

The fourth proportional to 114,225.71, 157,714.63 and 91,688.67 is: 126,597.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,225.71 : 157,714.63 = 91,688.67 : x
  2. Step 2: Convert to fraction form
    114,225.71/157,714.63 = 91,688.67/x
  3. Step 3: Cross multiply
    114,225.71x = 157,714.63 × 91,688.67
  4. Step 4: Simplify right side
    114,225.71x = 14,460,644,435.02
  5. Step 5: Solve for x
    x = 14,460,644,435.02/114,225.71
  6. Step 6: Final answer
    x = 126,597.11

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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.