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Finding the Fourth Proportional to 118,641.60, 177,962.40 and 116,798.40

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Solution

The fourth proportional to 118,641.60, 177,962.40 and 116,798.40 is: 175,197.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,641.60 : 177,962.40 = 116,798.40 : x
  2. Step 2: Convert to fraction form
    118,641.60/177,962.40 = 116,798.40/x
  3. Step 3: Cross multiply
    118,641.60x = 177,962.40 × 116,798.40
  4. Step 4: Simplify right side
    118,641.60x = 20,785,723,580.16
  5. Step 5: Solve for x
    x = 20,785,723,580.16/118,641.60
  6. Step 6: Final answer
    x = 175,197.60

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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.