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Finding the Fourth Proportional to 186,681,656.40, 260,749,657.20 and 186,681,656.40

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Solution

The fourth proportional to 186,681,656.40, 260,749,657.20 and 186,681,656.40 is: 260,749,657.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,681,656.40 : 260,749,657.20 = 186,681,656.40 : x
  2. Step 2: Convert to fraction form
    186,681,656.40/260,749,657.20 = 186,681,656.40/x
  3. Step 3: Cross multiply
    186,681,656.40x = 260,749,657.20 × 186,681,656.40
  4. Step 4: Simplify right side
    186,681,656.40x = 48,677,177,911,828,184
  5. Step 5: Solve for x
    x = 48,677,177,911,828,184/186,681,656.40
  6. Step 6: Final answer
    x = 260,749,657.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.