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Finding the Fourth Proportional to 169,968,658.60, 254,617,064.70 and 93,154,220.20

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Solution

The fourth proportional to 169,968,658.60, 254,617,064.70 and 93,154,220.20 is: 139,547,221.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,968,658.60 : 254,617,064.70 = 93,154,220.20 : x
  2. Step 2: Convert to fraction form
    169,968,658.60/254,617,064.70 = 93,154,220.20/x
  3. Step 3: Cross multiply
    169,968,658.60x = 254,617,064.70 × 93,154,220.20
  4. Step 4: Simplify right side
    169,968,658.60x = 23,718,654,111,741,448
  5. Step 5: Solve for x
    x = 23,718,654,111,741,448/169,968,658.60
  6. Step 6: Final answer
    x = 139,547,221.86

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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.