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Finding the Fourth Proportional to 176,457.86, 243,492.08 and 99,960.57

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Solution

The fourth proportional to 176,457.86, 243,492.08 and 99,960.57 is: 137,934.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,457.86 : 243,492.08 = 99,960.57 : x
  2. Step 2: Convert to fraction form
    176,457.86/243,492.08 = 99,960.57/x
  3. Step 3: Cross multiply
    176,457.86x = 243,492.08 × 99,960.57
  4. Step 4: Simplify right side
    176,457.86x = 24,339,607,532.60
  5. Step 5: Solve for x
    x = 24,339,607,532.60/176,457.86
  6. Step 6: Final answer
    x = 137,934.39

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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.