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Finding the Fourth Proportional to 114,483.59, 157,804.88 and 90,245.06

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Solution

The fourth proportional to 114,483.59, 157,804.88 and 90,245.06 is: 124,394.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,483.59 : 157,804.88 = 90,245.06 : x
  2. Step 2: Convert to fraction form
    114,483.59/157,804.88 = 90,245.06/x
  3. Step 3: Cross multiply
    114,483.59x = 157,804.88 × 90,245.06
  4. Step 4: Simplify right side
    114,483.59x = 14,241,109,898.49
  5. Step 5: Solve for x
    x = 14,241,109,898.49/114,483.59
  6. Step 6: Final answer
    x = 124,394.33

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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.