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Finding the Fourth Proportional to 152,457.60, 228,916.80 and 117,436.80

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Solution

The fourth proportional to 152,457.60, 228,916.80 and 117,436.80 is: 176,332.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,457.60 : 228,916.80 = 117,436.80 : x
  2. Step 2: Convert to fraction form
    152,457.60/228,916.80 = 117,436.80/x
  3. Step 3: Cross multiply
    152,457.60x = 228,916.80 × 117,436.80
  4. Step 4: Simplify right side
    152,457.60x = 26,883,256,458.24
  5. Step 5: Solve for x
    x = 26,883,256,458.24/152,457.60
  6. Step 6: Final answer
    x = 176,332.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.