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Finding the Fourth Proportional to 55,615,030.40, 83,422,545.60 and 55,615,030.40

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Solution

The fourth proportional to 55,615,030.40, 83,422,545.60 and 55,615,030.40 is: 83,422,545.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,615,030.40 : 83,422,545.60 = 55,615,030.40 : x
  2. Step 2: Convert to fraction form
    55,615,030.40/83,422,545.60 = 55,615,030.40/x
  3. Step 3: Cross multiply
    55,615,030.40x = 83,422,545.60 × 55,615,030.40
  4. Step 4: Simplify right side
    55,615,030.40x = 4,639,547,409,589,386
  5. Step 5: Solve for x
    x = 4,639,547,409,589,386/55,615,030.40
  6. Step 6: Final answer
    x = 83,422,545.60

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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.