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Finding the Fourth Proportional to 181,547.90, 250,518.54 and 105,051.74

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Solution

The fourth proportional to 181,547.90, 250,518.54 and 105,051.74 is: 144,961.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,547.90 : 250,518.54 = 105,051.74 : x
  2. Step 2: Convert to fraction form
    181,547.90/250,518.54 = 105,051.74/x
  3. Step 3: Cross multiply
    181,547.90x = 250,518.54 × 105,051.74
  4. Step 4: Simplify right side
    181,547.90x = 26,317,407,276.67
  5. Step 5: Solve for x
    x = 26,317,407,276.67/181,547.90
  6. Step 6: Final answer
    x = 144,961.24

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.