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Finding the Fourth Proportional to 180,523.35, 249,121.53 and 99,946.02

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Solution

The fourth proportional to 180,523.35, 249,121.53 and 99,946.02 is: 137,925.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,523.35 : 249,121.53 = 99,946.02 : x
  2. Step 2: Convert to fraction form
    180,523.35/249,121.53 = 99,946.02/x
  3. Step 3: Cross multiply
    180,523.35x = 249,121.53 × 99,946.02
  4. Step 4: Simplify right side
    180,523.35x = 24,898,705,419.81
  5. Step 5: Solve for x
    x = 24,898,705,419.81/180,523.35
  6. Step 6: Final answer
    x = 137,925.12

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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.