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Finding the Fourth Proportional to 114,430.50, 157,920.57 and 64,132.74

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Solution

The fourth proportional to 114,430.50, 157,920.57 and 64,132.74 is: 88,506.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,430.50 : 157,920.57 = 64,132.74 : x
  2. Step 2: Convert to fraction form
    114,430.50/157,920.57 = 64,132.74/x
  3. Step 3: Cross multiply
    114,430.50x = 157,920.57 × 64,132.74
  4. Step 4: Simplify right side
    114,430.50x = 10,127,878,856.46
  5. Step 5: Solve for x
    x = 10,127,878,856.46/114,430.50
  6. Step 6: Final answer
    x = 88,506.81

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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.